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Chemical Resistance Chart Version 11/2018 | PDF only | Bürkert Applied Marketing & Design Applied Marketing 11/2018 | PDF only Bürkert Version

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Bürkert Fluid Control Systems Christian-Bürkert-Straße 13 -17 74653 Ingelfingen Germany Tel.: +49 7940 10 0 Fax: +49 7940 10 91204 [email protected] www.burkert.com Introduction 3

Introduction

When dealing with aggressive fluids the user is continuously faced with the problem of finding compatible materials.

In order to simplify the selection of suitable materials when using Bürkert products for aggressive fluids, the following tables provide useful information on the optimal choice of housing and gasket materials for a multitude of media.

Since performance is influenced by several factors, the information contained Content in this brochure should be treated only as a guide and is not necessarily valid for all op- erating conditions. Increased , higher , and the inadvertent 3 Introduction ingress of in originally pure chemicals can all lead to accelerated corrosion.

4 Structure and content of the chemical resistance charts Dependent on the purity of the fluid as well as the compounding and of vulca- 5 Interpretation of Symbols nisation of the gasket materials, deviations can result which affect the suitability and durability of the and . 5 References

6 Overview The information quoted in this guide does not consider the effect of mechanical load- ing, which may also have a bearing on the material performance in the fluid. In cases 8 Resistance in basic chemicals of doubt when considering our products, we strongly recommend the prior testing of 32 Resistance in commercial products samples with various material combinations, in order to establish and check their suit- ability under the actual operating conditions of the application. 37 Resistance in foods and beverages

39 Bürkert Close to You Where liquid food products are involved, the plastics and elastomers employed must normally conform with the local food and hygiene regulations. It is emphasized that these resistance tables are intended only as a guide and that no guarantees can be given in respect of the information contained in this publication.

Bürkert does not assume any liability for your selection. No claims on the basis of an incorrect advice can be made from the use of the Chemical Resistance Chart. Neither warranty claims, guarantee claims nor claims for damages can be derived. We also reserve the right to change, update or modify all information in this chart without notice. 4 Bürkert | Chemical Resistance Chart 5

Structure and content of the chemical Interpretation of Symbols resistance charts

The following chemical resistance tables are divided into three categories. These are basic chemicals +  material is not affected or is slightly affected by the chemical: suitable (chapter 2.2), liquid commercial products (chapter 2.3) and liquid food ingredients (chapter 2.4). O various attack level depending on prevailing conditions: limited suitability The resistance of these fluids is rated in detail for the elastomeric materials, plastics and metallic mate- rials commonly used in Bürkert products. Rarely used materials such as CSM as well as aluminum are – material exhibits severe attack: unsuitable not described in the tables. Epoxy resin, which is commonly used in the construction of our products, but which is not mentioned, is resistant to most common chemicals. If materials are rated as "limited suitability", the time of impact has to be considered. At a long period of impact these materials can be heavily attacked or even destroyed. There- Information regarding the chemical resistance of the unlisted materials is available on request, includ- fore these parts are rated as wear parts and are not included in the standard warranty ing chrome and -plated parts. conditions.

Please see the overview in chapter 2.1 for additional information regarding general chemical resis- In many cases it is not possible to make a clear statement due to different service condi- tance of seal and body materials. For the most commonly used chemical substances the chemical tions. In these cases the rating should also be "limited suitability". formula is added in the charts. The suffix "pure" means the technical pureness of the fluid, which in most cases exceeds 95% purity. As a rule, organic fluidic or gaseous media have this supplement. "Acetic - pure" means for example a 98% . The suffix "aqueous" is mostly used for water miscible substances (such as ) but also for aqueous solutions of inorganic . References Due to the great number of possible concentrations, an average is always assumed. Saturated aqueous solutions are described only if explicitly noted and the reference for all statements is room temperature. At higher temperatures a reduced chemical resistance must be con- sidered. All the information quoted in these resistance tables is based on industrial experience (for example "DECHEMA-Werkstoff-Tabelle", Germany or "DECHEMA Corrosion Handbook"), the data of our material and compound manufacturers and Bürkert's own stringent labo- ratory tests. 6 Bürkert | Chemical Resistance Chart Overview 7

Chemical resistance properties Material Designation General information on Permissible temperatures chemical resistance

Neutral fluids Neutral fluids Aggressive fluids gasket and housing materials long-term°C(°F) short-term°C(°F) long-term°C(°F) Housing materials - Stainless 1.4401 Also applies for 1.4404, 1.4408, 1.4409 -20 (-4) to -20 (-4) to +400 (+752) +150 (+302)

1.4571 Also applies for 1.4581 -20 (-4) to -20 (-4) to Overview +400 (+752) +150 (+302) 1.4305 Also applies for 1.4301, 1.4303 -20 (-4) to -20 (-4) to +400 (+752) +150 (+302)

1.4105 Also applies for 1.4113 -20 (-4) to -20 (-4) to +400 (+752) +150 (+302)

Grey cast GG For neutral fluids -20 (-4) to +180 (+356)

Cast steel GS For neutral fluids -20 (-4) to Material Designation General information on Permissible temperatures +400 (+752) chemical resistance Brass MS See individual resistance -20 (-4) to Neutral fluids Neutral fluids Aggressive fluids +250 (+482) long-term°C(°F) short-term°C(°F) long-term°C(°F) Red bronze RG See individual resistance -20 (-4) to Gasket and diaphragm materials +250 (+482) propylene EPDM Good resistance to and -30 (-22) to Dependant on Housing materials - rubber . Particularly suitable +130 (+266) aggressiveness for aggressive chemicals. of the fluid and Polyvinyl chlorid PVC Resistant to most , bases and 0 (+32) to 0 (+32) to 0 (+32) to Unsatisfactory for oils and . on mechanical solutions. +60 (+140) +60 (+140) +40 (+104) load. PP Resistant to organic as well 0 (+32) to 0 (+32) to as aqueous solutions of acids, bases +100 (+212) +60 (+140) rubber FKM Chemical properties are superior to all 0 (+32) to 0 (+32) to and salts. other elastomers. +150 (+302) +200 (+392) Unsuitable for concentrated, oxidising acids rubber NBR Fairly resistant to oil and petrol. -10 (+14) to -10 (+14) to Unsatisfactory with oxidising fluids. +90 (+194) +120 (+248) Polyamide PA Resistant to fats, oils, waxes, fuels, 0 (+32) to 0 (+32) to weak bases, aliphatic and aromatic +100 (+212) +60 (+140) Chloroprene rubber CR The chemical properties are very similar -10 (+14) to -10 (+14) to . to those of PVC and are between those +100 (+212) +110 (+230) of NBR and EPDM. Ethylene tetrafluoro- ETFE Good resistance to many aggressive -20 (-4) to -20 (-4) to -20 (-4) to Perfluorinated FFKM Similar to PTFE +5 (+41) to +5 (+41) to ethylene copolymer media (acids, aromatic hydrocarbons), +200 (+392) +260 (+500) +150(+302) elastomers (dependent on blend) +230 (+446) +230 (446) not resistant against fuming and sulphuric acid Polytetrafluorethylene PTFE See plastic housing materials Polytetrafluor­ PTFE Resistant to nearly all chemicals. -20 (-4) to -20 (-4) to -20 (-4) to ethylene Unsuitable for liquid and fluorine +200 (+392) +260 (+500) +150(+302) compounds.

Polyvinylidene­ PVDF Unsuitable for hot solvents as well as -20 (-4) to for , , and strong bases. +100 (+212)

Polyphenylene PPS Resistant to dilute mineral acids, bases, -40 (-40) to -40 (-40) to aliphatic and aromatic hydrocarbons, +200 (+392) +260 (+500) oils, fats, water, and to .

Polyetherether­ PEEK Resistant to most chemicals. Unsuit- -20 (-4) to -20 (-4) to able for concentrated sulfuric and nitric +150 (+302) +170 (+338) acid and certain chlorohydrocarbons. 8 Bürkert | Chemical Resistance Chart Resistance in basic chemicals 9

Resistance in basic chemicals

Name Formula Name Formula NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Chemicals sulphate – aqueous Al(SO4)3 + + + + + + + + + O + + + - - - O O

A Aminoacetic acid () – aqueous NH2CH2COOH O + + + + + + + O + + O O O + +

Acetaldehyde – aqueous CH3CHO - + O O O + + O + O O O + + + O + + (gaseous) – pure NH3 - + O O + + + + + O + O + - - + + +

3 – pure CH3CHO - + - O - + + - O O O O + + + O + + Ammonia (liquid) – pure NH3 - O O O + + + O O + - O + O O + + +

Ammonia water (, Acetic acid – pure CH COOH - O - O - + + O - O + + + - - - O O NH OH - + O O + + + + + O O O + - - + + + 3 ) 4

Acetic anhydride – pure CH3COOCOCH3 - O - O - + + - - - - + - O O O O Ammonium – aqueous CH3COONH4 + + + + + + + + + + + O O O + +

Acetoacetic (acid-free) – pure CH3COCH2COOC2H5 - - - + - + O - - + - + O O O + + Ammonium – aqueous (NH4)2CO3 + + + + + + + + + + + + - - O + +

Acetone – pure CH3COCH3 - + - + - + + - O + - + + + + + + + Ammonium – aqueous NH4Cl + + + + + + + + + + + + + O O O O O

Acetophenone – pure C H COCH - - + - + O - + O O + + + + + 6 5 3 Ammonium citrate – aqueous + + + + + + + + O + O O O + +

Acetylacetone – pure CH3COCH2COCH3 - - - + - + - - + - - - O + + – aqueous NH4F + + + O O + + + + + + O O O O O

Acetylchloride – pure CH COCl - - - + - + + - - + O O O O O 3 Ammonium fluosilicate – aqueous + + + + + + + + O + O O O + +

Acetylene – technical HCCH -1 + 1 -1 + 1 -1 + + O O + + + + +2 - + + + – aqueous HNCOONH4 + + + + + + + + + + O O O + +

Acrylonitrile – pure CH CHCN - - - + - + + - + O O + + + + + + + Ammonium hydroxide (ammonia 2 NH OH - + O O + + + + + O O O + - - + + + solution, ammonia water) – aqueous 4

Adipic acid – aqueous HOOC(CH2)4COOH + + + + + + + + + + + + + + + Ammonium – aqueous NH4NO3 + + + + + + + + + + + + + - - O + + Albumin – pure + + + + + + + + O O O + + – aqueous NH4OOCCOONH4 + + + + + + + + + O O O O + +

Allyl – pure CH2CHCH2OH + + O + O + + - + + + + + + + + + + Ammonium persulphate – aqueous (NH4)2S2O8 - + + + O + + O + - + O O - O O ( aluminium sulphate) KAl(SO4)2 x 12 H2O + + + + + + + + + + + + - - - + O – aqueous – aqueous (NH4)2HPO4 + + + + + + + + + + + + O O + + +

Aluminium acetate – aqueous Al(OOCCH3)3 O + + + + + O + + + + O O - + + Ammonium sulphate – aqueous (NH4)2SO4 + + + + + + + + + O + + + - - O O O

Aluminium chloride – aqueous AlCl3 + + + + + + + + + O + + + O O O O O Ammonium sulphide – aqueous (NH4)2S + + O + + + + + + + + + - - O + +

Aluminium fluoride – aqueous AlF3 + + + + + + + + + + + + + + O - - Ammonium sulphite – aqueous (NH4)2SO3 + + + + + + O + + + + - - O + O 10 Bürkert | Chemical Resistance Chart Resistance in basic chemicals 11

Resistance in basic chemicals

Name Formula Name Formula NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Ammonium – aqueous NH4NCS + + + + + + + + + - - O + + B

Amyl acetate – pure CH3COO(CH2)4CH3 - O - + - + + - O + + + + + + O + + – aqueous Ba(ClO3)2 + + + + + + + + - + + + O + +

Amyl alcohol – pure H3C(CH2)4OH + O + + + + + + + + + + + + O + + Barium chloride – aqueous BaCl2 + + + + + + + + + + + + + + + O + O

5 – aqueous Ba(OH) + + + + + + + + + O + + + + + + + hydrochloride – aqueous C6H5NH3Cl O + O + O + O O O - + - - - - - 2

Barium sulphide and polysulfide Aniline – pure C H NH - O O + - + + - O - + O + - - O + + BaS + + + + + + + + + - + + + O O O + + 6 5 2 – aqueous

Anisole (methoxybenzene) – pure C6H5OCH3 O O - + - + - - + + + + + + + Battery acid (sulphuric acid 20%) H2SO4 O + + + O + + + + - + + O - - - + O

Anone () – pure C6H10O - - - + - + + - - + O + + O O O + + Benzaldehyde – aqueous C6H5CHO O + + + - + + - + O O O + O O - +

Anthracene oil – pure - - - + - + - - + + + + + + – pure C6H6 - - - + - + O - - + O O + O O O + + sulphonic acid C H COCOC H SO H O + + + + + O + + O O O O O O Benzenesulfonic acid – aqueous C H SO H + + + + + + + + + + + - O O O + + – aqueous 6 4 6 4 3 6 5 3 NH C H C H ­ 5 Benzidine sulphonic acids – aqueous 2 6 4 6 3 + + + + + + + + + + + + + + Antimony chloride – aqueous SbCl3 O + + + + + + + - + + + O O O - - SO3HNH2

Benzine (, ) – pure + - + + + + + + O + + + + + + + + + HNO3 + HCl - - - + - + O O ------

Arabic acid – aqueous + + + + + + + + - - - + + – aqueous C6H5COOH + + + + + + + + + - + + O O O + +

Argon – pure Ar + + + + + + + + + + + + + + + + + + – pure C6H5CH2OH - + O + O + + + O + + + + O + +

Bergamot oil - - - - + - - - + O O O + + acid – aqueous H3AsO4 + + + + + + O + + O + - O - + + Bisulphite (sodium bisulphite, – aqueous AsCl + + + + + + + + - - - O O O NaHSO O + + + + + + + + O + + + O O - + O 3 sodium sulphide) – aqueous 3

Borax – aqueous N B O + + + + + + + + + + + + + + O + + + Arsenious acid – aqueous H3AsO3 + + + + + + + + O O - + + 2 4 7

Boron Arylsilicate – aqueous O O O + O + + + + + + HBF + + + O + + + + + - + + - - - - - () – pure 4

Ascorbic acid – aqueous C6H8O6 + + + + + + + + + - - - – aqueous H3BO3 + + + + + + + + + - + O O O O O O

HOOCCHNH CH ­ – aqueous 2 2 + + + + + + + + + + - - O + + (cooling brine) + + + + + + + + + + + + + O O - O O COOH 12 Bürkert | Chemical Resistance Chart Resistance in basic chemicals 13

Resistance in basic chemicals

Name Formula Name Formula NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Bromine (liquid) – pure Br2 - - - + - + O O - - + - - - O O O O Carbolineum () – pure O O O + O + + - + + + + + +

Carbolic acid (, hydroxybenzene) – pure CH (CH) CH O O O + + + + + + + + + + O O + + C H OH O O O + O + + + + - + + O O O O + + 2 2 2 – aqueous 6 5

Butane (gaseous and liquid) – pure C4H10 + - + + + + + O O + + + + O O O + + dioxide (dry) – pure CO2 + O + + O + + + + + + + + + + + + +

Butanediol – aqueous (10%) HO(CH2)4OH + + O O O + + O O + + + + + + + + + (humid) CO2 + O O + O + + O O O + + + O O O + +

Butanol (butyl alcohol) – pure CH3(CH2)3OH O + + + O + + O + + + + + + + O + + Carbon disulphide – pure CS2 - - + + - + + - + O + + - - - + O

Butoxyl (methoxybutyl acetate) – pure CH3OC4H4O2CCH3 + O O + + - + O O O + + – aqueous H2CO3 + + + + + + + O + O + + + O O O + +

Butyl acetate – pure CH (CH ) O CCH - + - + - + O - - + + + + O + O + + Carbonyl chloride () [liquid] 3 2 3 2 3 COCl - O + - + O O O + + + + + – pure 2

Butyl alcohol () – pure CH3(CH2)3OH O + + + O + + O + + + + + + + O + + Carbonyl chloride (phosgene) [gaseous] COCl - + + - + + + - O + + + + + + – pure 2 Butylbenzyl phthalate – aqueous - - - + - + - O + O + + + + + – pure CO + + + + + + + + + + + + + + + + + +

Butylene (liquid) – pure H3CCH2CHCH2 + O + + + + + + + + + + + + O + + – pure CCl4 - - + O - + + - - + + O + O O - + + Butyl phthalate – pure C H (CO) (O(CH ) CH ) - - - + - + - O + + + + O + + 6 4 2 2 3 3 2 Caustic (potassium hydoxide) KOH - + - + O + + + + O O O + - - O + + – aqueous

Butynediol – pure HOCH2C2CH2OH O O O O + O + + + + + + + O +

Cellosolve (glycol ethyl ) – pure HO(CH2)2OCH2CH3 - - - + - + + - - + + + + + + + +

Butyric acid – aqueous H3C(CH2)2COOH O O O O O + + O - O + + + O O - + O Champhor oil – pure + - + O - + + - O O O O + + C

Chloral hydrate () – aqueous CCl3CH(OH)2 - O O + - + + - - - - O O O O O O

Calcium chloride – aqueous CaCl2 + + + + + + + O + O + + + - - O O O

Chloric acid – aqueous HClO3 - O - + - + + - - + - - - - -

Calciumhydrogensulphite – aqueous Ca(HSO3)2 + + + + + + + + + - + + - - - + O Chlorinated ( hypochlorite) Ca(OCl) - + O + O + + O + - + + + - - O O O (lime water) – aqueous 2 Ca(OH) + + + + + + + + + O O + + - - - + + – aqueous 2 bleaching NaOCl - O O + - + + + O - O - + O O O O O (chlorinated lime) () – aqueous Ca(OCl) - + O + O + + O + - + + + - - O O O – aqueous 2

Chlorine dioxide – aqueous ClO2 - - O + - + + + O - O - - O O O

Calcium nitrate – aqueous Ca(NO3)2 + + + + + + + + + + + + + O O O O O

Chlorine (gaseous and dry) Cl2 - - O + O + + O - - + - + - - O O O Carbitol (2-(2-ethoxyethoxy)ethanol) CH CH O(CH ) - 3 2 2 2 O O O + O + + + + + + + + + + – pure O(CH2)2OH Chlorine (gaseous and humid) Cl2 - - O O - + + O - - O ------14 Bürkert | Chemical Resistance Chart Resistance in basic chemicals 15

Resistance in basic chemicals

Name Formula Name Formula NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Chlorine (liquid) – pure Cl2 - - O + - + + - - - + - - - - - + + Cooling brine (brine) + + + + + + + + + + + + + O O - O O

Chlorine water (humid) Cl2 - - O O - + + + - - O ------ acetate – aqueous Cu(CH3COO)2 O + + + + + + + O + + + O - O + +

Chloroacetic acid – aqueous ClCH2COOH - O - + - + + O - - + + + O - O O - Copper chloride – aqueous CuCl2 + + + + + + + + + O + + + O O O - -

Chlorobenzene – pure C6H5Cl - - - + - + + - - + + - + + + + + + Copper sulphate – aqueous CuSO4 + + + + + + + + + O + + + O O O O O

Chloroethanol (ethylene chlorohydrine) ClCH CH OH - - O + - + + - + O + O O + + + + + Creosote (carbolineum) – pure O O O + O + + - + + + + + + – pure 2 2

H (OH)(CH ) - - O + - + + O O - O + + + + O + O (frigenes) + + O O + Cresol – aqueous C6 4 3

Cyclohexane – pure C6H12 - - O + - + + + - + + + + + + + + + (trichloromethane) – pure CHCl3 - - O + - + O - - - + O + + + - + +

Cyclohexanol – pure C6H11OH - - + + + + + O + + + + + + + + + + (methyl chloride) – pure CH3Cl - - O + - + + - - + + O + O O O + +

Cyclohexanone (anone) – pure C6H10O - - - + - + + - - + O + + O O O + + Chloronaphthalone – pure C10H7Cl - - O + - + - - + O + + + + +

Cymene – pure C6H4(CH3)[CH(CH3)2] - - - - + - - + O + + + + + Chlorophenole – pure C6H4OHCl - - - + - + + O O + + O + +

D Chlorophenoxyacetic acid – aqueous ClC6H4OCHOOH + + + + + + + O + +

Decahydronaphthalene (decalin) – pure C10H18 - - + + - + + + O + O + + + + + Chlorosulfonic acid – pure ClSO3H - - - + - + O O - - O - - O O O O O

Chloroxylenol (4-Chloro-3,5-dimethyl- Dextrose (glycose) – aqueous C H O + + + + + + + + + + + + + + + + + + C H OH(CH ) Cl - - - + - + O + + O + + 6 12 6 phenol) – pure 6 2 3 2

Diacetone alcohol (anhydrous) – pure (CH3)2COHCH2COCH3 - + - + O + + O + O + O + + chloride – aqueous [HOCH2CH2N(CH3)3]Cl + + + + + O O - - O

Chrome alum ((III) – potassium Dibutyl phthalate – pure C6H4(COOC4H9)2 - O - + - + + O O + - + + + + + + KCr(SO ) x 12 H O + + + + + + O + O + O O - O O sulphate) – aqueous 4 2 2 (C H COO)(CH ) - Dibutyl sebacate (DBS) – pure 4 9 2 8 - O - + - + - + + - + + + + + + (OOC H ) – aqueous H2CrO4 - O + + O + O + O - + - O - - O O O 4 9 Dichloroethane (ethylene chloride) ClCH2CH2Cl - - - + - + + - - + + O + - - - + - Chromium sulphate – aqueous Cr2(SO4)3 + + + + + + + + O + O O - O O – pure

Dichloroethene – pure Cl CHCH - - O + - + + - - + + O + + + O + + Citral (citronella oil) – pure - - - - + - + + + + O + + 2 3

Dichloromethane ( chloride) – aqueous C H O + + + + + + + + + + + + + O + - + O CH Cl - - O + - + + - - - - O O + + - + + 6 8 7 – pure 2 2

Colophonium (tall oil) (liquid) O O O O + + + + + - - - + O Dicyclohexylammonium nitrate – pure [(C6H11)2NH2]NO2 + + + + + + O O O + + 16 Bürkert | Chemical Resistance Chart Resistance in basic chemicals 17

Resistance in basic chemicals

Name Formula Name Formula NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Diethyl ether (ether) – pure CH3CH2OCH2CH3 - - - + O + O - - + + + + + + + + + Ethyl alcohol – fermented mash + + + + + + + + + O + + + + + O + +

Dimethylamine – pure (CH3)2NH - O - + - + + - O - - O O O O + + Ethyl alcohol – methylated (spirit) O O O + O + + + + O + + O O + + +

Dimethylformamide (DMF) – pure HCON(CH3)2 - - - + - + O - + - - O + O O O + + – pure C6H5CH2CH3 - - O + - + O - - + + O + + + + +

Dimethyl (DMSO) – pure (CH3)2SO + + O - + O Ethyl chloride – pure CH3CH2Cl + + + + + + + - - + + O - - - + +

Dinitrogen monoxide (laughing gas, N O + + + + + + + + + + + + + + + + + + Ethylene – pure CH CH + - + + - + + + + + + + + + + + + nitrous ) – pure 2 2 2

Ethylene (anhydrous) – pure CH2CHBr - - - + - + + - - + + O - + + O + + Di-octyl-phthalate (DOP) – pure C6H4(COOC8H17)2 - O O + - + + - + + O + + + + + + Ethylene chlorohydrin (chloroethanol) Dioxane – pure C H O - O - + - + O - - + - + + + + + + ClCH CH OH - - O + - + + - + O + O O + + + + + 4 8 – pure 2 2 Ethylene chloride (dichloroethane) Diphenyl + diphenyl oxide – pure - - - + - + + - - + + + + + + + ClCH CH Cl - - - + - + + - - + + O + - - - + - – pure 2 2

Dissous gas ( + ) C2H2+ CH3COCH3 - + - - + + - O + + + + + + – pure NH2CH2CH2NH2 O + O O + + + - + O + O - - O + O

E (glycol) – pure HOCH2CH2OH + + + + + + + + + O + + + O O O + +

Essential oils - - - + - + - - - O O O O + + – pure CH2CH2O - - - O - + + - - - + - - - + +

Ethane – pure CH3CH3 + - + + + + + - - + - + + + + + + + – pure HCOOCH2CH3 - O - + - + - O + + + + + O + +

Ethanedioic acid – aqueous (saturated) HOOCCOOH O + + + + + + + + - + + + - - - + O Exhaust fumes – containing hydrogen + + + + + + + + O + - - O O O O O fluoride

Ethanol (ethyl alcohol) – pure CH3CH2OH O + O + + + + O + O + + + + + + + + Exhaust fumes – containing carbon + + + + + + + + + + + + + + O + O dioxide – pure NH CH CH OH O O - + O + O + + O O - - + + + 2 2 2 Exhaust fumes – containing carbon + + + + + + + + + + + + + + + + + monoxide

Ether () – pure CH3CH2OCH2CH3 - - - + - + O - - + + + + + + + + + Exhaust fumes – containing nitrous O + + + + + + + - + + - - O + + gases – pure CH3CO2CH2CH3 - O - O - + O - - O O + + - + + + + Exhaust fumes – containing + + + + + + + + - + - O O O - O - – pure CH2CHCOOC2H5 - O - + - + - O + + + + Exhaust fumes – containing sulphur O + + + + + + + O + + + + + + + + Ethyl alcohol (ethanol) – pure CH3CH2OH O + O + + + + O + O + + + + + + + + dioxide (dry) Exhaust fumes – containing sulphuric CH3CH2OH+ O + + + + + + + - + O - - - - + O Ethyl alcohol + acetic acid O + O + O + + O + - + + + O O O + + acid (humid) CH3COOH 18 Bürkert | Chemical Resistance Chart Resistance in basic chemicals 19

Resistance in basic chemicals

Name Formula Name Formula NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Exhaust fumes – containing sulphur Frigene substitute HFCKW 123 (R-123) O + + + + + + + + + + O O O + + F CCHCl - - - - - + + + + + + trioxide (dry) – pure 3 2 Frigene substitute HFCKW 134a F F CCH F - - + + + + + + + + (R-134a) – pure 3 2

Fatty + O + + + + + + O + + + + O + O Fuming sulphuric acid (Oleum) – pure H2SO4 - - O + - + + O O - - O - - - O + O

Fatty alcohol sulphates – aqueous + O + + + + + + + O + O O O + + G

Ferric chloride – aqueous (saturated) FeCl + + + + + + + + + - + + + - - - - - HOCH CH(OH)- 3 Glycerine – aqueous 2 + + + + + + + O O + + + + O O O + O CH2OH

Fluorine (dry) – pure F2 - - O O - O O O - - - - - O O - + + HOCH CH(OH)- Glycerine – pure 2 O + + + O + + O O + + + + O O O + O CH2OH

Fluorine (humid) – pure F2 - - - - - + O O - - O - - - - - O O Glycine (aminoacetic acid) – aqueous NH2CH2COOH O + + + + + + + O + + O O O + + Fluoroboric acid HBF + + + O + + + + + - + + - - - - - ( hydrofluoric acid) 4 Glycol (ethylene glycol) – pure HOCH2CH2OH + + + + + + + + + O + + + O O O + +

Fluosilicic acid – aqueous H2SiF6 O O O + O + + + - + - - - - O O Glycol ethyl ether (cellosolve) – pure HO(CH2)2OCH2CH3 - - - + - + + - - + + + + + + + + solution (formalin) CH2O O O O + O + + + + + + O O - + - + + – aqueous Glycolic acid – aqueous HOCH2COOH + + + + + + + + + - + + O O O O O

Formamide – pure HCONH2 + + O O + + + O O O O O O + O Glycose (dextrose) – aqueous C6H12O6 + + + + + + + + + + + + + + + + + +

Formic acid – pure HCOOH - O - O O + + O O - O O O - - - + O Grid gas (illuminating gas, town gas) + + + + + + + + + + + + + + +

Formic acid – aqueous HCOOH - O O O O + + O O - O O + - - - + O H

F + - O O O + + O O + O O + + + + + + Frigene 12 (R-12) – pure CCl2 2 Helium – pure He + + + + + + + + + + + + + O O O + +

Frigene 13 (R-13) – pure CClF + - O O + + + - - - + + + + O + + 3 Heptane (hexane, benzine) – pure + - + + + + + + O + + + + + + + + +

Frigene 13 B 1 (R-13B1; halon 1301) CBrF + - O + + + - - + O + + + + + Hexamethylene tetramine (Urotropin) 3 C H N + + + + + + + + + + O O O O + + – pure – aqueous 6 12 4

- - - O - + + - - + - + + + + + + + Frigene 22 (R-22) – pure CHClF2 Humic acids + + + + + + + + - + + O + +

Frigene 23 (R-23) – pure CHF3 + - O - + + - - O + + O + + hydrate – aqueous NH2NH2 x 2H2O - + + + - + + + - O + - - - - O

FCCClF + - - - + + O - - + + O + + + + + + Frigene 113 (R-113) – pure Cl2 2 Hydrobromid acid – aqueous HBr - + + + O + + + + - + - - - - O - -

Frigene 502 (R-502) – pure C F Cl+CHF Cl - - - O O + + O + O + + + + + + 5 2 5 2 Hydrochloric acid – aqueous (36%) HCl - O + + - + + + + - + - O - - - O O 20 Bürkert | Chemical Resistance Chart Resistance in basic chemicals 21

Resistance in basic chemicals

Name Formula Name Formula NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Hydrocyanic acid – aqueous HCN O O + + + + + + + - + + + + O + O L

5 Hydrofluoric acid – aqueous HF - - - - - + + O O - + - - - - - O - – aqueous HOOCCH(OH)CH3 O O + + + + + O + O + + + O O O O O

Laughing gas (dinitrogen monoxide, gas – pure HCl O + + + O + + + + - + - + - - - + O N O + + + + + + + + + + + + + + + + + + ) – pure 2

Hydrogen 0.5% H2O2 O + + + + + + - - + + O + - - - + O Lead acetate – aqueous Pb(CH3COO)2 O + + + + + + + + + + + + O O - + +

5 30% H2O2 - O + + - + + - - - + O + - - - O - Lead nitrate – aqueous Pb(NO3)2 + + + + + + + + + + - - O + +

7 7 7 7 7 Hydrogen – pure H2 + + + + + + + + + + + + + + + + + + Lead tetraethyl (tetraethyl lead) – pure Pb(CH2CH3)4 O O + + O + + + + + + + O O + + +

Hydrogen sulphide – aqueous H S O + - O O + + O O - + O + O O O + + 2 Light (petroleum spirit) + - + + + + + + O + + + + + + O + +

Hydroquinone – aqueous C H (OH) + + + + O + + + - + O O O + Lime water (calcium hydroxide) 6 4 2 Ca(OH) + + + + + + + + + O O + + - - - + + – aqueous 2 Hydroxybenzene (carbolic acid, phenol) C6H5OH O O O + O + + + + - + + O O O O + + – aqueous Linoleic acid – pure C18H32O O - O + - + + - + + O O O + O

Hydroxylamine sulphate – aqueous (NH OH) SO + + + + O + + + + - - + + + 3 2 4 chloride – aqueous LiCl + + + + O + + + + O + + O O O O O

I M

Illuminating gas (town gas, grid gas) + + + + + + + + + + + + + + + chloride – aqueous MgCl2 + + + + + + + + + O + + + O O O O O

Inert gases – pure + + + + + + + + + + + + + O O O O + Magnesium sulphate – aqueous MgSO4 + + + + + + + O O O + + + + + - + +

+ KI O O O + O + O O - + - O - - O O O + potassium iodine – aqueous I2 Maleic acid – aqueous HOOCCHCHCOOH + + + + + + + + + O + + + O O O + O

Iron sulphate – aqueous FeSO + + + + + + + + + + + + + O O - + + HOOCCH2CHOH- 4 Malic acid – aqueous + + + + + + + + + + + - - - + + COOH

Isobutanol – pure (CH3)2CHCH2OH O + + + + + + - + + + + + + + + + + Manganese chloride – aqueous MnCl2 + + + + + + + + + + O O O O O CH C(CH ) CH CH Isooctane – pure 3 3 2 2 + - + + + + + + + + + + + + + + + + Manganese sulphate – aqueous MnSO4 + + + + + + + + + + + O + O + O (CH3)CH3

Isopropanol (2-propanol) – pure CH3CH(OH)CH3 O + + + + + + + + O + + + + + + + + Marsh gas (, mine gas) CH4 + - + + - + + O O + O + + + + + + +

K Mercaptane - - O + - + + + O O O - + +

Kerosene + - + + + + + + O + + + + + + O + + – pure Hg + + + + + + + + + + + + + - - + O + 22 Bürkert | Chemical Resistance Chart Resistance in basic chemicals 23

Resistance in basic chemicals

Name Formula Name Formula NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Mercury chloride – aqueous HgCl2 + + + + + + O + - + + + - - - O O – pure N2 + + + + + + + + + + + + + + + + + +

Nitrous oxide (laughing gas, Mercury salts – aqueous + + + + + + + + + - + + + - - - + + N O + + + + + + + + + + + + + + + + + + dinitrogen monoxide) – pure 2

Methane (mine gas, marsh gas) CH4 + - + + - + + O O + O + + + + + + + 5 Nitric acid – aqueous (40%) HNO3 - - + + - + O O O - + - O - - - + -

Methanol (methyl alcohol) – pure CH3OH - + - + + + + + O O O + + O O O + O Nitrobenzene – pure C6H5NO2 - - O + - + + - O - O O O + + O + +

Methoxybenzene (Anisole) – pure C6H5OCH3 O O - + - + - - + + + + + + + Nitrobenzoic acids – aqueous C7H5NO4 + + + + + + + + + + + + O + +

Methoxybutanol – pure CH O(CH ) CH OH + + + + O + + + + + + + + + (NO, NO , N O , N O , 3 2 3 2 Nitrous fumes (nitrogen ) 2 2 3 2 4 - O - O - + O O O - O + - - - O - etc.)

Methoxybutyl acetate (butoxyl) – pure CH3OC4H4O2CCH3 + O O + + - + O O O + + Nitrotoluenes (o-, m-, p) – pure C6H4(NO3)(CH3) O - O O - + - + - + O O + + + + +

Methyl acetate – pure CH3COOCH3 - O - + - + O - + + O + + O + O O O O

Methyl alcohol () – pure CH3OH - + - + + + + + O O O + + O O O + O

Oleum (fuming sulphuric acid) – pure H2SO4 - - O + - + + O O - - O - - - O + O

Methylamine – aqueous CH3NH2 - O O - O + + O + O - O + - - O O O 6 6 – pure O2 O O + + O + + O - + - + + + + - + +

Methyl chloride (chloromethane) – pure CH3Cl - - + + - + + - - O - O + O O O + + 4 4 4 4 4 4 4 4 4 Ozone (humid and dry) O3 - O O O - + + + - - + - O O O O + + Methylene chloride () CH Cl - - O + - + O - - - - O O + + - + + – pure 2 2 P

Methyl ethyl ketone (2-butanon) – pure CH3COCH2CH3 - O - + - + + - - O - O O + + O + + Paraffin oil + - + + O + + O + + + + + + + + + +

Mine gas (methane, marsh gas) CH4 + - + + - + + + + + + + + + + + + + Peracetic acid – aqueous (6%) CH3CO3H - O - + + + - O - - - - + + Monosodium glutamate – aqueous C H NNaO + + + + + + + + + O + + 5 8 4 Perchloroethylene () Cl CCCl - - O O - + + - - O + O + O O O + + – pure 2 2 Morpholine – pure C4H9NO - O O O O + + - + + O + + + + +

Peroxomonosulphuric acid – aqueous H2SO5 - - - - + + ------N Petroleum spirit (light petroleum) + - + + + + + + O + + + + + + O + + + - + + + + + O O + + + + O O O + + Phenol (hydroxybenzene, carbolic acid) C H OH O O O + O + + + + - + + O O O O + + – aqueous 6 5 Nickel sulphate – aqueous NiSO4 + + + + + + + + + + + + + - O - O O Phosgene (carbonyl chloride) [liquid] – (NO, NO , N O , N O , COCl - O + - + O O O + + + + + Nitrogen oxides (nitrous fumes) 2 2 3 2 4 - O - O - + O O O - O + - - - O - pure 2 etc.) 24 Bürkert | Chemical Resistance Chart Resistance in basic chemicals 25

Resistance in basic chemicals

Name Formula Name Formula NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Phosgene (carbonyl chloride) [gaseous] (caustic potash) – COCl - + + - + + + - O + + + + + + KOH - + - + O + + + + O O O + - - O + + – pure 2 aqueous

Phosphoric acid – aqueous H3PO4 O O + + - + + + + - + + + - - - + - – aqueous KOCl - + O + - + + + O - + - + O O O O O

Phosphorus – pure PCl2, PCl3, PCl5 - - O + - + + - + - + + O O O O Potassium – aqueous KI + + + + + + + O + + O O O O O

Potassium nitrate – aqueous KNO + + + + O + + O + + + + + O O O O O (trinitrophenol) – pure C6H2(OH)(NO2)3 O - O + - + + - + + + + + + + + 3

Pinene (turpentine oil) – pure O - O + - + O - + + + + O O + + + Potassium – aqueous KNO2 + + + + + + + + + + + + + + + +

Potash () – aqueous KMnO - - - + O + + + O - + - + O O O + O K CO + + + + O + + + + O O + + O O O + + 4 – aqueous 2 3 – aqueous K O - - - + - + O O - - + - - O + + Potassium aluminium sulphate (alum) 2 2 KAl(SO ) x 12 H O + + + + + + + + + + + + - - - + O – aqueous 4 2 2

Potassium persulphate – aqueous K2S2O8 - + O + O + + + + - O - + - - - + +

Potassium – aqueous KBrO3 + + + + + + + + + + - - O O + O

Potassium phosphate – aqueous K3PO4 + + + + + + + + O + + O O O + + – aqueous KBr + + + + + + + + + - + + + + + O O O

Potassium sulphate – aqueous K2SO4 + + + + + + + + + + + + + + + O + + Potassium carbonate (potash) K CO + + + + O + + + + O O + + O O O + + – aqueous 2 3 Potassium sulphide – aqueous K2S + + + + + + + + + O O + + O - O + +

Potassium chlorate – aqueous KClO3 O O O + O + + + + O O - + O O O O O Potassium sulphite – aqueous K2SO3 + + + + + + O + + + O + O + O – aqueous KCl + + + + + + + + + + + + + O O O O O (liquid and gaseous) – pure C3H8 + - + + + + + + + + + + + + + + + +

Potassium chromate – aqueous K2CrO4 O + O + O + + + + - + + + + O O O Propanol – pure CH3CH2CH2OH - + + + + + + + + O + + + + + + + + Potassium – aqueous KCN + + + + + + + + + + + + - - O + + Propylene glycol – pure HOCH2CH2CH2OH + + + + + + + + + O + + + + O + + + – aqueous K Cr O O O O + O + + + - + - + O O O + + 2 2 7 solutions + + + + + + + + O O O + + (II) (yellow K4[Fe(CN)6] + + + + + + + + + + + + + O O - prussiate of potash) – aqueous – pure C5H5N - - - + - + + - O + O O + + + + + O

Potassium ferrocyanide (III) (red K [Fe(CN) ] + + + + + + + + + + O + - - O + + R prussiate of potash) – aqueous 3 6 Red prussiate of potash Potassium – aqueous KHF + + + + + + + - O O O + + K3[Fe(CN)6] + + + + + + + + + + O + - - O + + 2 (Potassium ferrocyanide (III)) – aqueous 26 Bürkert | Chemical Resistance Chart Resistance in basic chemicals 27

Resistance in basic chemicals

Name Formula Name Formula NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Sodium disulphite S Na S O O + + + + + + + + O O - + O (sodium metabisulphite) – aqueous 2 2 5 Shellsol D (turpentine substitute, Sodium dodecylbenzenesulfonate O - O + O + O O + + + + + + + + + C H NaO S + + + + + + O + O O O + + white spirit) – pure – aqueous 18 29 3

Silicone oil + + + + + + + + + + + + + + + + + + – aqueous NaF + + + + + + + + + + + + + O + O

Silver nitrate – aqueous AgNO O + + + + + + O + + + + + - - - + + Sodium hydrogen carbonate 3 NaHCO + + + + + + + + + + + + + O + O + + (sodium ) – aqueous 3 Soda lye () – aqueous NaOH O + O + + + + + + O - O + - - O O O Sodium hydrogen sulphate NaHSO + + + + + + + + + + + O O O O O (sodium bisulphate) – aqueous 4 – aqueous Na AsO + + + + + + + + + + + + + + 3 4 Sodium hydrogen sulphide NaHSO O + + + + + + + + O + + + O O - + O (sodium bisulphite, bisulphite) – aqueous 3

Sodium arsenite – aqueous Na3AsO3 + + + + + + + + + + + + + + Sodium hydroxide (soda lye) – aqueous NaOH O + O + + + + + + O - O + - - O O O

Sodium benzoate – aqueous C6H5COONa + + + + + + + + + + + + + + + + Sodium hypochlorite NaOCl - O O + - + + + O - O - + O O O O O (sodium hydrogen (chlorine bleaching lye) – aqueous NaHCO + + + + + + + + + + + + + O + O + + carbonate) – aqueous 3 – aqueous NaI + + + + + + + O + + O O O O O O Sodium bisulphate (sodium hydrogen NaHSO + + + + + + + + + + + O O O O O sulphate) – aqueous 4 Sodium mercaptobenzothiazole – pure C7H5NS2 O O + + O + + + + + + + + Sodium bisulphite (bisulphite, sodium NaHSO O + + + + + + + + O + + + O O - + O 3 Sodium metabisulphite hydrogen sulphide) – aqueous Na S O O + + + + + + + + O O - + O (sodium disulphite) – aqueous 2 2 5

Sodium bromate – aqueous NaBrO3 + + + + + + + + + O + + + - O O + O – aqueous NaNO3 + + + + + + + O O + + + + - - - + - – aqueous NaBr + + + + + + + + + - + + + O O O O O

Sodium nitrite – aqueous NaNO2 + + + + + + + + + + + + + + + + + (soda) – aqueous Na CO + + + + O + + + + + O + + O O O + + 2 3 Sodium pentachlorophenolate C Cl NaO + + + + + + + + + + O + + – aqueous 6 5

Sodium chlorate – aqueous NaClO3 O O O + O + + + + O + - + O O O O O

Sodium perborate – aqueous NaBO3 x nH2O O + + + + + + + + + - O O O + + (table salt) – aqueous NaCl + + + + + + + + + + + + + - O - O O

Sodium peroxodisulphate – aqueous Na2S2O4 O + + + + + + + - + - - - - + O

Sodium – aqueous NaClO2 - O O + - + + O O - + O O - O -

Sodium phosphate – aqueous Na3PO4 + + + + + + + + + + + O O O O O

Sodium chloroacetate – aqueous NaCH2ClCOO + + + + + + + + O + O + +

Sodium propionate – aqueous CH3CH2COONa + + + + + + + + + + + + + +

Sodium chromate – aqueous NaCrO4 O + O + O + + + + - + + O + + O O O (soluble glass) + + + + + + + + + + + + + O O + + + – aqueous – aqueous NaCN + + + + + + + + + + + + - - O + + 28 Bürkert | Chemical Resistance Chart Resistance in basic chemicals 29

Resistance in basic chemicals

Name Formula Name Formula NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Sodium stannate – aqueous Na2SnO3 + + + + + + + + O O O + + + T

Sodium sulphate – aqueous Na2SO4 + + + + + + + + + + + + + - - - + + Table salt (sodium chloride) – aqueous NaCl + + + + + + + + + + + + + - O - O O

Sodium sulphide – aqueous Na2S + + + + + + + + + + O + + O - O + + Tall oil (colophonium) (liquid) O O O O + + + + + - - - + O

Sodium sulphite – aqueous Na2SO3 + + + + + + + O + + + + O + O + O (tannin) – aqueous + + + + + + + + + + + + + O O O + +

Sodium tartrate – aqueous C₄H₄O₆Na₂ + + + + + + + + + + + + O + + Tartaric acid – aqueous C4H6O6 + + + + + + + + + O + + + - - - + +

Tetrachloroethylene (perchloroethylene) Sodium thiosulphate – aqueous Na S O + + + + + + + + + + + + O - O O O Cl CCCl - - O O - + + - - O + O + O O O + + 2 2 3 – pure 2 2

Sodium zincate – aqueous Na2[Zn(OH)4] O + + + + + + + Tetraethyl lead (lead tetraethyl) – pure Pb(CH2CH3)4 O O + + O + + + + + + + O O + + +

Spirit (ethyl alcohol) O O O + O + + + + O + + O O + + + – pure C4H8O - - - + - + + - - + - O + + +

Starch solution – aqueous + + + + + + + + + + + + + O O O + + Tetrahydronaphthalene (tetralin) – pure C10H12 - - + + - + + - - + O + + + + +

Stearic acid – pure C18H37COOH + + + + + + + + + + + + O + - + + Thiophene – pure C4H4S - - - + - + - O O O O + +

Styrene – pure C6H5CHCH2 - - O + - + + - O + + + O O O + + chlorides – aqueous SnCl2, SnCl4 + + + + + + + + + O + + + - - O O -

Succinic acid – aqueous HOOCCH2CH2COOH + + + + + + + + + + + + O + + – pure C6H5CH3 - - O + - + + - - + O O + + + + + +

Cl , SCl , SCl - - + + - + + - - - + + O O O + - Sulphur chloride – pure S2 2 2 4 Town gas (grid gas, illuminating gas) + + + + + + + + + + + + + + +

Sulphur dioxide (liquid) – pure SO2 - + + + - + + - - - + + + + + + + + Tributyl phosphate – pure (C4H9O)3PO - - - O - + + - - - + + + - + +

Sulphur dioxide (gaseous and humid) SO2 - + + + - + + O O O + O + - - - + O – aqueous Cl3CCOOH O O - O O + + + O - O + - - - - - Sulphur dioxide (gaseous and dry) SO - + + + - + + O O O + + + O O O + O – pure C HCl - - O O - + + - - - + O + - - - + + – pure 2 2 3

Sulphur hexafluoride – pure SF6 O + O O + + + + + + + + + + + Trichloromethane (chloroform) – pure CHCl3 - - O + - + O - - - + O + + + - + +

Sulphuric acid – concentrated (96%) H2SO4 - - O + - + + O O - + O ------Tricresylphosphate – pure C21H21O4P - - - + - + - O + - + O O O + +

Sulphuric acid – aqueous (30%) H2SO4 O + + + O + + O + - + O O - - - - - Triethanolamine – pure (CH2CH2OH)3N - - - + + + + - + O + O O O + +

Sulphurous acid – aqueous H2SO3 - + + + + + + + + - + O + - - - + - Trinitrophenol (picric acid) – pure C6H2(OH)(NO2)3 O - O + - + + - + + + + + + + + 30 Bürkert | Chemical Resistance Chart Resistance in basic chemicals 31

Resistance in basic chemicals

Name Formula Name Formula NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

U Z

Uranium hexafluoride – pure UF + + + O + + + + - - + O 6 chloride – aqueous ZnCl2 + + + + + + + + + - + + + - - - O -

Urea – aqueous NH CONH + + + + + + + + + + + + + O O O O O 2 2 Zinc sulphate – aqueous ZnSO4 + + + + + + + + + + + + - - - + -

Urotropin (hexamethylene tetramine) C H N + + + + + + + + + + O O O O + + – aqueous 6 12 4

V

Vinyl acetate – pure CH2CHOOCH2CH3 + + + + + + + - + O + O O O + +

Vinyl chloride – pure CH2CHCl - O + + - + + - O + + O - - O O O

W

Water – distilled H2O + + + + + + + + + + + O + O + - + O

Water () H2O + + + + + + + + + + + + + O O O O O

5 Water vapour (130 °C) H2O O + + + O + + - - - + O + O + + + +

White spirit (Shellsol D, turpentine O - O + O + O O + + + + + + + + + substitute) – pure

Wood (impregnating oils) - - - + - + O - + + + O + +

X

Xenon – pure Xe + + + + + + + + + + + + + + + + + +

Xylene – pure C6H4(CH3)2 - - O + - + + - - + O O + + + + + +

Y

Yeast – aqueous + + + + + + + + + + + + O O O + +

Yellow prussiate of potash (Potassium K [Fe(CN) ] + + + + + + + + + + + + + O O - ferrocyanide (II)) – aqueous 4 6 32 Bürkert | Chemical Resistance Chart Resistance in commercial products 33

Resistance in commercial products

Name Name NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Commercial products C

A Car O + + + + + + + + O + + O +

Cellulose lacquers - O - + - + - O + + O O O + + Acronal dispersions (polyacrylates) - + + + + - + O + O O O + +

Chlophene (chlorodiphenyl) + O + - + - + + + O + + Acronal solutions - O - - + - O O + O O O + +

Coconut oil O - O + O + + O O + + + + O O O + + chlorides (mersoles) + O + + + + O O O O O O

Cotton seed oil O - + + O + + - + + + + + + Anise oil O - + - - + O + + O + + Cutting oil (drilling oil) O - O + O + + O O + + + + + Antifrogen-N + + + + + + + + O O O O + + Cyclanone ( sulfonate) + + + + + + + + O + + ASTM fuel A O - O + O + + O + + + + + + D ASTM fuel B O - O + - + O O + + + + + + Desmodur T - - + - + + + + + + ASTM fuel C O - O + - + O O + + + + + + + Desmophen + + + + + + + + ASTM oil IRM 901 + - + + + + + O + + + + + + Detergent (synth. laundry detergent) O + O + + + + O O + + O O O + + ASTM oil IRM 902 O - + + + + + O + + + + + + Dextrin – aqueous + + + + + + + + + + + + + + + + + ASTM oil IRM 903 O - O + + + + O + + + + + + + Diesel oil – pure O - + + - + + O O + + + + + + + + +

ATE brake fluid (brake fluid) - + - + O + O O + + + O O + + + Drilling oil (cutting oil) O - O + O + + O O + + + + +

B Dyeworks wetting agent (Nekal BX) + + + O + + + + O O O O + +

Beeswax + + + + + + + - + + + O + + E

Biodiesel (fatty acid methyl ester) O - + + O + + + O O + + + - - - + + Engine oils (machine oils, paraffin oils, mineral oils) + - + + O + + O + + + + + + + + + +

Bone oil O - + + O + O + + + + + + + + F

Brake fluid (ATE brake fluids) - + - + O + O O + + + O O + + + Fatty acid methyl ester () O - + + O + + + O O + + + - - - + + 34 Bürkert | Chemical Resistance Chart Resistance in commercial products 35

Resistance in commercial products

Name Name NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Fatty alcohol sulfonate (cyclanone) + + + + + + + + O + + Iodine tincture O O O O O + - O - + O O O O O O

Fatty oils (greases) O - O + O + + O O + + + + O O O + + L

Fish oil O O + + + + + + + O O O + + Linseed oil O - O + O + O O + + + + O O O + +

Fruit tree carbolineum O O O + O + + - + O + + + + + Lubricating oils + - + + O + + O + + + + + + + + + +

Fuel oils O - + + O + O O + + + + + + + + Lysol - - O + - + O O - O + + + + O + O

G M

Gelatine – aqueous + + + + + + + + + + + O O O + + Machine oils (paraffin oils, mineral oils, engine oils) + - + + O + + O + + + + + + + + + +

Greases (fatty oils) O - O + O + + O O + + + + O O O + + Mersoles (alkane sulfonic acid chlorides) + O + + + + O O O O O O

H Mineral oils (paraffin oils, machine oils, engine oils) + - + + O + + O + + + + + + + + + +

Hair O O O O + + O + + O O O + + Molasses (molasses-based flavour) + + + + + + + + + + + + + O O O + +

Hydraulic fluid (Skydrol 500) - + O + - + - O + + - O O + + N

Hydraulic fluid (Skydrol 7000) - + - + - + - O - O O + + Nekal BX (dyeworks wetting agent) – aqueous + + + O + + + + O O O O + +

Hydraulic fluids – chlorinated hydrocarbons - O + - + + - O O + Nickel baths + + + + + + + + - - - + O

Hydraulic fluids – mineral oil based (H, H-L, H-LP) O - O + O + + + + + + + + + + P

Hydraulic fluids – ester (HSD) - O - + - + - - + + + + + + Paraffin oils (machine oils, mineral oils, engine oils) + - + + O + + O + + + + + + + + + +

Hydraulic fluid – polyglykol water (HSC) + + + + O + + + + + + + + + Petroleum – pure + - + + O + + + + + + + + + + + +

Hydraulic fluids – water in oil (HSB) O - + + O + + + + + + + + + + Petroleum benzole spirit (premium grade petrol-ethanol mixture) - - O + - + + - - O + + O O + + +

Hydraulic fluids – water-oil emulsions (HSA) O - + + O + + + + + + + + + + Photograph emulsions, developers, fixing baths O O O + O + + + + O

I Pine needle oil (spruce needle oil) O - + + - + O + O O O + +

Impregnating oils (wood tar) - - - + - + O - + + + O + + Polyacrylates (acronal dispersions) - + + + + - + O + O O O + + 36 Bürkert | Chemical Resistance Chart Resistance in liquid foods and beverages 37

Resistance in commercial products Resistance in liquid foods and beverages

Name Name NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105

Premium grade petrol-ethanol mixture (petroleum benzole spirit) - - O + - + + - - O + + O O + + + Foodstuff

S A

Skydrol 500 (hydraulic fluid) - + O + - + - O + + - O O + + Apple juice (apple sauce) + + + + + - + +

Skydrol 7000 (hydraulic fluid) - + - + - + - O - O O + + Apricot juice + + + + +

Soap solution – aqueous O O O + O + + O O O + + O + O + + B

Soda (sodium carbonate) – aqueous + + + + O + + + + + O + + O O O + + Beer + + + + + + + + + + + + + + - + +

Soluble glass (sodium silicates) + + + + + + + + + + + + + O O + + + Butter + + + + + + + + + + + - - - + +

Spindle oils + - + + O + + O + + + + + + + + + + Buttermilk + + + + + + + O - + O O - + +

Spruce needle oil O - + + - + O + O O O + + C

Synth. Laundry detergent (detergent) O + O + + + + O O + + O O O + + Cider + + + + + + + + + - + +

T Corn oil O - O + O + + O O + + + + O O O + +

Table salt (sodium chloride) + + + + + + + + + + + + + - O - O O E

Transformer oil + - + + O + O O + + + + + + + + + Edible oil O - O + O + + O O + + + + O O O + +

Turpentine oil () – pure O - O + - + O - + + + + O O + + + F

Turpentine substitute (white spirit, Shellsol D) – pure O - O + O + O O + + + + + + + + + Fruit juices O O O O + O O O + - - - + +

U Food fats and oils O - O + O + + O O + + + + O O O + +

UV - + - - + G

V Grape vinegar (vinegar 5%) - + O O - + + O + O + + + - O O O +

Varnishes O - + + + + + - + + + + O + + L

Vinegar 5% (grape vinegar) - + O O - + + O + O + + + - O O O + Lemon juice O + + + + + + + + O O - + O 38 Bürkert | Chemical Resistance Chart Bürkert - Close to You 39

Resistance in liquid foods and beverages Bürkert – Close to You

Name

For up-to-date addresses

NBR EPDM FKM FFKM CR PTFE ETFE PVC PP PA PVDF PPS PEEK MS RG GG, GS 1.4401/1.4571 1.4305/1.4105 please visit us at Norway

M www.burkert.com. Poland Austria Portugal Milk + + + + + + + + + + + O + - + + Belgium Spain Czech Republic Sweden Mineral water + + + + + + + + + + + + + O O O O O Denmark Switzerland O Finland Turkey United Kingdom Olive oil O - O + O + + O O + + + + O O O + + Germany Italy Orange juice + + + Russia Netherlands P

Pineapple juice - + + - - - + +

R

Rape seed oil O - O + O + + O O + + + + O O O + +

S China Canada Hong Kong Saccharine (sweetener) + + + + + + + O + + O + + USA India Japan oil O - O + O + + O O + + + + O O O + + Korea Spirits (dependent on their ingredients) O O O O + + + + + + - - O + + Malaysia Philippines United solutions + + + + + + + + + + + + + O + + Singapore Argentina Arab Taiwan Sweetener (saccharine) + + + + + + + O + + O + + Brazil Emirates Uruguay W South Africa Australia Wines + + + + + + + + - + + + - - - + + New Zealand

1 Technical acetylene contains solvents like , dimethyl forma- 4 Most of the materials get damaged by ozone. Therefore the mide or acetone. Bürkert generally does not know what resistances have to be put into perspective. lack is used in the gas suppliers acetylene. The chemical resistance 5 Only for acid resistant FKM compound. of the gasket materials has to be proved according to the german 6 Under permitted according to the BAM (Federal Institute for specification DIN 9539. Materials Research and Testing). 2 Brass with up to 58% Cu. 7 Hydrogen can lead to an embrittlement of . Credits: © and concept: Christian Bürkert GmbH & Co. KG | Realization: Scanner GmbH | : fotolia 3 Diffuses through EPDM