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Vanadium Pentoxide and Other Inorganic Vanadium Compounds
This report contains the collective views of an international group of experts and does not necessarily represent the decisions or the stated policy of the United Nations Environment Programme, the International Labour Organization, or the World Health Organization. Concise International Chemical Assessment Document 29 VANADIUM PENTOXIDE AND OTHER INORGANIC VANADIUM COMPOUNDS Note that the layout and pagination of this pdf file are not identical to the printed CICAD First draft prepared by Dr M. Costigan and Mr R. Cary, Health and Safety Executive, Liverpool, United Kingdom, and Dr S. Dobson, Centre for Ecology and Hydrology, Huntingdon, United Kingdom Published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organization, and the World Health Organization, and produced within the framework of the Inter-Organization Programme for the Sound Management of Chemicals. World Health Organization Geneva, 2001 The International Programme on Chemical Safety (IPCS), established in 1980, is a joint venture of the United Nations Environment Programme (UNEP), the International Labour Organization (ILO), and the World Health Organization (WHO). The overall objectives of the IPCS are to establish the scientific basis for assessment of the risk to human health and the environment from exposure to chemicals, through international peer review processes, as a prerequisite for the promotion of chemical safety, and to provide technical assistance in strengthening national capacities for the sound management -
Chemicals Used for Chemical Manufacturing Page 1 of 2
Chemicals used for Chemical Manufacturing Page 1 of 2 Acetic Acid (Glacial, 56%) Glycol Ether PMA Acetone Glycol Ether PNB Acrylic Acid Glycol Ether PNP Activated Carbon Glycol Ether TPM Adipic Acid Glycols Aloe Vera Grease Aluminum Stearate Gum Arabic Aluminum Sulfate Heat Transfer Fluids Amino Acid Heptane Ammonium Acetate Hexane Ammonium Bicarbonate Hydrazine Hydrate Ammonium Bifluoride Hydrochloric Acid (Muriatic) Ammonium Chloride Hydrogen Peroxide Ammonium Citrate Hydroquinone Ammonium Hydroxide Hydroxylamine Sulfate Ammonium Laureth Sulfate Ice Melter Ammonium Lauryl Sulfate Imidazole Ammonium Nitrate Isobutyl Acetate Ammonium Persulfate Isobutyl Alcohol Ammonium Silicofluoride Calcium Stearate Dipropylene Glycol Isopropanolamine Ammonium Sulfate Carboxymethylcellulose Disodium Phosphate Isopropyl Acetate Antifoams Caustic Potash D'Limonene Isopropyl Alcohol Antifreeze Caustic Soda (All Grades) Dodecylbenzene Sulfonic Acid Isopropyl Myristate Antimicrobials Caustic Soda (Beads, Prills) (DDBSA) Isopropyl Palmitate Antimony Oxide Cetyl Alcohol Dowfrost Itaconic Acid Aqua Ammonia Cetyl Palmitate Dowfrost HD Jojoba Oil Ascorbic Acid Chlorine, Granular Dowtherm SR-1 Keratin Barium Carbonate Chloroform Dowtherm 4000 Lactic Acid Barium Chloride Chromic Acid EDTA Lanolin Beeswax Citric Acid (Dry and Liquid) EDTA Plus Lauric Acid Bentonite Coal Epsom Salt Lauryl Alcohol Benzaldehyde Cocamide DEA Ethyl Acetate Lecithin Benzoic Acid Copper Nitrate Ethyl Alcohol (Denatured) Lime Benzyl Alcohol Copper Sulfate Ethylene Glycol Linoleic Acid Bicarbonate -
Ammonium Persulfate
SAFETY DATA SHEET Ammonium Persulfate Section 1. Identification GHS product identifier : Ammonium Persulfate Code : 76322 Other means of : ammonium persulphate; Peroxydisulfuric acid, diammonium salt; diammonium identification peroxodisulfate; Diammonium persulfate Supplier/Manufacturer : 3420 Central Expressway, Santa Clara CA 95051 In case of emergency : Chemtrec: 1 800 424 9300 Outside USA & Canada: +1 703 527 3887 Section 2. Hazards identification OSHA/HCS status : This material is considered hazardous by the OSHA Hazard Communication Standard (29 CFR 1910.1200). Classification of the : OXIDIZING SOLIDS - Category 3 substance or mixture ACUTE TOXICITY (oral) - Category 4 SKIN CORROSION/IRRITATION - Category 2 SERIOUS EYE DAMAGE/ EYE IRRITATION - Category 2 RESPIRATORY SENSITIZATION - Category 1 SKIN SENSITIZATION - Category 1 SPECIFIC TARGET ORGAN TOXICITY (SINGLE EXPOSURE) (Respiratory tract irritation) - Category 3 GHS label elements Hazard pictograms : Signal word : Danger Hazard statements : May intensify fire; oxidizer. Harmful if swallowed. Causes serious eye irritation. Causes skin irritation. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction. May cause respiratory irritation. Precautionary statements Prevention : Wear protective gloves. Wear eye or face protection. In case of inadequate ventilation wear respiratory protection. Keep away from heat. - No smoking. Keep away from clothing, incompatible materials and combustible materials. Take any precaution to avoid mixing with combustibles and other incompatible materials. Use only outdoors or in a well-ventilated area. Avoid breathing dust. Do not eat, drink or smoke when using this product. Wash hands thoroughly after handling. Contaminated work clothing should not be allowed out of the workplace. Response : IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. -
The Behaviour of Ion-Exchange Eesins with Basic Solvents
THE BEHAVIOUR OF ION-EXCHANGE EESINS WITH BASIC SOLVENTS By Vithalbhai Chaturbhai Patel A Thesis presented for the Degree of Doctor of Philosophy in the University of London. Chemistry Department, Battersea College of Technology, LONDON, S.W.ll. January, ProQuest Number: 10802180 All rights reserved INFORMATION TO ALL USERS The quality of this reproduction is dependent upon the quality of the copy submitted. In the unlikely event that the author did not send a com plete manuscript and there are missing pages, these will be noted. Also, if material had to be removed, a note will indicate the deletion. uest ProQuest 10802180 Published by ProQuest LLC(2018). Copyright of the Dissertation is held by the Author. All rights reserved. This work is protected against unauthorized copying under Title 17, United States C ode Microform Edition © ProQuest LLC. ProQuest LLC. 789 East Eisenhower Parkway P.O. Box 1346 Ann Arbor, Ml 48106- 1346 (ii) ABSTRACT (iii) The swelling of a sulphonic acid resin in the Li(l), K(l), Ag(l), Cu(ll), Ni(ll), Mn(ll), Co(ll\ Cr(lll), and Fe(lll) forms, in aqueous ammonia solution, has been described in this thesis. The swelling of some metal form resins in aqueous ethylenediamine and propylenediamine solutions has been studied for comparison. It was found that the alkali metal form resins did not show any preference for ammonia but other transition metal form resins did show such preference for ammonia and for the other bases studied. The absorption of base by such resins was quantitative and hence it v/as possible to construct the formation curves for the ammine and amine complexes and to derive stability con stants by Bjerrum!s half-step method, for the amine complexes formed in the resins. -
Phosphate-Based Treatments for Conservation of Stone
RILEM Technical Letters (2017) 2: 14‐19 DOI: http://dx.doi.org/10.21809/rilemtechlett.2017.34 Phosphate‐based treatments for conservation of stone Enrico Sassoni a* a Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, Via Terracini 28, 40131, Bologna, Italy Received: 30 May 2017 / Accepted: 09 August 2017 / Published online: 9 October 2017 © The Author(s) 2017. This article is published with open access and licensed under a Creative Commons Attribution 4.0 International License. Abstract To overcome the limitations of currently available protectives and consolidants for carbonate stones (such as marble and limestone), in 2011 the use of calcium phosphate was proposed. The idea is forming calcium phosphates (ideally hydroxyapatite) as the reaction product between the substrate and an aqueous solution of a phosphate salt that the stone is treated with. In this paper, the studies aimed at identifying the best treatment conditions (in terms of nature and concentration of the phosphate precursor, solution pH, reaction time, ionic and organic additions) are first briefly summarized. Then, the efficacy of the phosphate treatment in protecting marble from dissolution in rain and restoring cohesion of weathered marble and limestone is discussed. Some recent studies on the use of the phosphate treatment on alternative substrates and some future steps for research on the topic are finally outlined. Keywords: Cultural heritage; Marble; Hydroxyapatite; Protection; Consolidation 1 Introduction improve mechanical properties, by providing a binding action between the stone grains. Organic products are A great part of cultural heritage objects (e.g. monuments, effective in improving mechanical properties, but again architectural decorations and statues) is made of carbonate they lack compatibility and durability. -
Laboratory Reagents Product List 2021
PRODUCT LIST Examples of our laboratory reagents Product list – selected products Artificial Urine Brooks and Keevil AMPQ44861.1000 Auramine-Rhodamine AMPQ55029.0500 Below is a selection of products. If you cannot find what you are look- Auric Chloride 0.1% AMPQ12450.0500 ing for, please contact us about your specific requests for laboratory reagents, volume and packaging, etc. Auric Chloride 1% AMPQ12452.0100 We mainly use chemicals by p.a. quality. If you want growth control on growing media, please contact us for an offer. B Balanced Salt Solution for Storage AMPQ46214.0100 Product name Cat. No. Balanced Salt Solution with Tris AMPQ40040.1000 Barium Chloride 0.5 M = 1.0 N AMPQ42099.1000 2,4-Dinitroflouro Benzen 1.3% v/v AMPQ44913.0100 Barium Chloride 1 M AMPQ43551.0500 2-Amino-2-Methyl-1,3-propanediol 2.1 % w/v AMPQ42009.0250 Barium Chloride 10% w/v AMPQ10513.1000 2-Propanol 35% AMPQ12900.5000 Barium Diphenylamine Sulfonate AMPQ40838.0500 Basophil Counting Solution AMPQ90492.0200 A Basophilic Colouring Solution AMPQ42037.0100 Acetate Buffer 0.1 M, pH 4.0 AMPQ10021.1000 Benzamidine 0.5 M in MilliQ H2O AMPQ10750.0100 Acetate Buffer 0.1 M, pH 4.8 AMPQ40728.1000 Benzoe I Colouring Solution AMPQ10779.0100 Acetate Buffer 0.1 M, pH 5.9 AMPQ43009.1000 Benzoe II Colouring Solution AMPQ10781.0100 Acetate Buffer 35%, pH 5.6 AMPQ10015.1000 Biebrich Scarlet Solution AMPQ46088.1000 Acetate Buffer Walpole pH 4.1 AMPQ55005.0500 Biebrich's Scarlet Acid Fuchsin AMPQ29082.0500 Acetic Acid 0.1 M Titrated AMPQ11590.5000 Bies Colouring Solution AMPQ10780.0050 Acetic Acid 1% AMPQ11515.1000 BiGGY Agar AMPQ02048.0015 Acetic Acid 10% P.A. -
NON-HAZARDOUS CHEMICALS May Be Disposed of Via Sanitary Sewer Or Solid Waste
NON-HAZARDOUS CHEMICALS May Be Disposed Of Via Sanitary Sewer or Solid Waste (+)-A-TOCOPHEROL ACID SUCCINATE (+,-)-VERAPAMIL, HYDROCHLORIDE 1-AMINOANTHRAQUINONE 1-AMINO-1-CYCLOHEXANECARBOXYLIC ACID 1-BROMOOCTADECANE 1-CARBOXYNAPHTHALENE 1-DECENE 1-HYDROXYANTHRAQUINONE 1-METHYL-4-PHENYL-1,2,5,6-TETRAHYDROPYRIDINE HYDROCHLORIDE 1-NONENE 1-TETRADECENE 1-THIO-B-D-GLUCOSE 1-TRIDECENE 1-UNDECENE 2-ACETAMIDO-1-AZIDO-1,2-DIDEOXY-B-D-GLYCOPYRANOSE 2-ACETAMIDOACRYLIC ACID 2-AMINO-4-CHLOROBENZOTHIAZOLE 2-AMINO-2-(HYDROXY METHYL)-1,3-PROPONEDIOL 2-AMINOBENZOTHIAZOLE 2-AMINOIMIDAZOLE 2-AMINO-5-METHYLBENZENESULFONIC ACID 2-AMINOPURINE 2-ANILINOETHANOL 2-BUTENE-1,4-DIOL 2-CHLOROBENZYLALCOHOL 2-DEOXYCYTIDINE 5-MONOPHOSPHATE 2-DEOXY-D-GLUCOSE 2-DEOXY-D-RIBOSE 2'-DEOXYURIDINE 2'-DEOXYURIDINE 5'-MONOPHOSPHATE 2-HYDROETHYL ACETATE 2-HYDROXY-4-(METHYLTHIO)BUTYRIC ACID 2-METHYLFLUORENE 2-METHYL-2-THIOPSEUDOUREA SULFATE 2-MORPHOLINOETHANESULFONIC ACID 2-NAPHTHOIC ACID 2-OXYGLUTARIC ACID 2-PHENYLPROPIONIC ACID 2-PYRIDINEALDOXIME METHIODIDE 2-STEP CHEMISTRY STEP 1 PART D 2-STEP CHEMISTRY STEP 2 PART A 2-THIOLHISTIDINE 2-THIOPHENECARBOXYLIC ACID 2-THIOPHENECARBOXYLIC HYDRAZIDE 3-ACETYLINDOLE 3-AMINO-1,2,4-TRIAZINE 3-AMINO-L-TYROSINE DIHYDROCHLORIDE MONOHYDRATE 3-CARBETHOXY-2-PIPERIDONE 3-CHLOROCYCLOBUTANONE SOLUTION 3-CHLORO-2-NITROBENZOIC ACID 3-(DIETHYLAMINO)-7-[[P-(DIMETHYLAMINO)PHENYL]AZO]-5-PHENAZINIUM CHLORIDE 3-HYDROXYTROSINE 1 9/26/2005 NON-HAZARDOUS CHEMICALS May Be Disposed Of Via Sanitary Sewer or Solid Waste 3-HYDROXYTYRAMINE HYDROCHLORIDE 3-METHYL-1-PHENYL-2-PYRAZOLIN-5-ONE -
Pp-03-25-New Dots.Qxd 10/23/02 2:38 PM Page 379
pp-03-25-new dots.qxd 10/23/02 2:38 PM Page 379 HYDROGEN SULFIDE 379 HYDROGEN SULFIDE [7783-06-4] Formula: H2S; MW 34.08 Synonyms: sulfur hydride; sulfureted hydrogen Occurrence and Uses Hydrogen sulfide occurs in natural gas. It also is found in many sewer gases. It is a by-product of many industrial processes. Trace amounts of dis- solved H2S are found in wastewaters in equilibrium with dissolved sulfides and hydrosulfides. It also is found in volcanic eruptions, hot springs and in troposphere. The average concentration of H2S in the air is about 0.05 ppb. The most important applications of hydrogen sulfide involve the production of sodium sulfide and other inorganic sulfides. Hydrogen sulfide obtained as a by-product often is converted into sulfuric acid. It also is used in organic syn- thesis to make thiols or mercaptans. Other applications are in metallurgy for extracting nickel, copper, and cobalt as sulfides from their minerals; and in classical qualitative analytical methods for precipitation of many metals (see Reactions). It also is used in producing heavy water for nuclear reactors. Physical Properties Colorless gas; characteristic odor of rotten eggs; odor threshold 1ppm; sweetish taste; fumes in air; flammable gas, burns with a pale blue flame; refractive index at 589.3nm, 1.000644 at 0°C and 1 atm; density 1.539 g/L at 0°C; critical temperature 100.4°C; critical pressure 88.9 atm; liquefies at –60.7°C; solidifies at –85.5°C; velocity of sound 289 m/sec in H2S gas; slightly soluble in water (0.4% at 20°C); pH of a saturated aqueous solution 4.5; slight- ly acidic; diffusivity in water at 16°C, 1.77x105 cm2/sec; soluble in carbon disulfide, methanol, acetone; very soluble in N-methylpyrrolidinone and alka- nolamines (salt formation occurs: salt dissociates on heating); liquid H2S dis- solves sulfur and SO2. -
Gasket Chemical Services Guide
Gasket Chemical Services Guide Revision: GSG-100 6490 Rev.(AA) • The information contained herein is general in nature and recommendations are valid only for Victaulic compounds. • Gasket compatibility is dependent upon a number of factors. Suitability for a particular application must be determined by a competent individual familiar with system-specific conditions. • Victaulic offers no warranties, expressed or implied, of a product in any application. Contact your Victaulic sales representative to ensure the best gasket is selected for a particular service. Failure to follow these instructions could cause system failure, resulting in serious personal injury and property damage. Rating Code Key 1 Most Applications 2 Limited Applications 3 Restricted Applications (Nitrile) (EPDM) Grade E (Silicone) GRADE L GRADE T GRADE A GRADE V GRADE O GRADE M (Neoprene) GRADE M2 --- Insufficient Data (White Nitrile) GRADE CHP-2 (Epichlorohydrin) (Fluoroelastomer) (Fluoroelastomer) (Halogenated Butyl) (Hydrogenated Nitrile) Chemical GRADE ST / H Abietic Acid --- --- --- --- --- --- --- --- --- --- Acetaldehyde 2 3 3 3 3 --- --- 2 --- 3 Acetamide 1 1 1 1 2 --- --- 2 --- 3 Acetanilide 1 3 3 3 1 --- --- 2 --- 3 Acetic Acid, 30% 1 2 2 2 1 --- 2 1 2 3 Acetic Acid, 5% 1 2 2 2 1 --- 2 1 1 3 Acetic Acid, Glacial 1 3 3 3 3 --- 3 2 3 3 Acetic Acid, Hot, High Pressure 3 3 3 3 3 --- 3 3 3 3 Acetic Anhydride 2 3 3 3 2 --- 3 3 --- 3 Acetoacetic Acid 1 3 3 3 1 --- --- 2 --- 3 Acetone 1 3 3 3 3 --- 3 3 3 3 Acetone Cyanohydrin 1 3 3 3 1 --- --- 2 --- 3 Acetonitrile 1 3 3 3 1 --- --- --- --- 3 Acetophenetidine 3 2 2 2 3 --- --- --- --- 1 Acetophenone 1 3 3 3 3 --- 3 3 --- 3 Acetotoluidide 3 2 2 2 3 --- --- --- --- 1 Acetyl Acetone 1 3 3 3 3 --- 3 3 --- 3 The data and recommendations presented are based upon the best information available resulting from a combination of Victaulic's field experience, laboratory testing and recommendations supplied by prime producers of basic copolymer materials. -
Chemistry Inventory; Fall
CHEMISTRY FALL 2005 MSDS Mfg.'s Name Chemical Name Quantity Stored Storage Conditions (on file = 9) Aluminum 9 1.5 kg Aluminum chloride, anhydrous, 98.5% 9 0.2 kg Aluminum chloride · 6H2O 9 0.5 kg Aluminum hydroxide 9 0.5 kg Aluminum nitrate 9 0.5 kg Aluminum sulfate 9 0.5 kg Ammonia, concentrated 9 4.0 L Ammonium acetate 9 0.2 kg Ammonium chloride 9 Ammonium dihydrogen phosphate (monobasic) 9 0.4 kg J.T. Baker Ammonium hydrogen phosphate (dibasic) No 0.5 kg Ammonium nitrate 9 2.5 kg Ammonium oxalate 9 0.7 kg Ammonium peroxydisulfate 9 0.5 kg Ammonium sulfate 9 0.2 kg Antimony 9 0.4 kg Barium chloride, anhydrous 9 2.5 kg Barium chloride · 2H2O 9 2.5 kg Barium nitrate 9 0.8 kg Bismuth 9 2.0 kg Boric Acid 9 0.4 kg Brass 9 Bromine 9 2.5 kg Cadmium 9 0.1 kg Cadmium nitrate 9 0.3 kg Calcium acetate · xH2O 9 0.5 kg Calcium carbide 9 1.0 kg Calcium carbonate 9 2.2 kg Calcium chloride 9 1.0 kg Calcium hydroxide 9 0.3 kg Calcium nitrate · 4H2O 9 1.0 kg Calcium oxide 9 0.3 kg Calcium sulfate · 2H2O 9 1.0 kg Carbon 9 0.1 kg Ceric ammonium nitrate 9 0.5 kg Cesium chloride 9 0.01 kg Chromium 9 0.01 kg Chromium chloride 9 0.5 kg Chromium nitrate 9 0.5 kg Cobalt 9 0.025 kg Cobalt chloride 9 0.7 kg Cobalt nitrate 9 0.6 kg Copper (assorted) 9 4.0 kg Copper acetate 9 0.05 kg Copper chloride 9 0.1 kg Copper nitrate 9 3.5 kg Copper oxide 9 0.4 kg Cupric sulfate, anhydrous 9 0.5 kg Cupric sulfate · 5H2O 9 2.75 kg EDTA 9 0.6 kg Iodine 9 2.0 kg Iron (assorted) 9 5.0 kg MSDS Mfg.'s Name Chemical Name Quantity Stored Storage Conditions (on file = 9) Ferric ammonium -
Gravimetric Determination of Vanadium As V(IV)-Oxinate
Chem. Anal. (Warsaw), 38, 639 (1993) Gravimetric Determination of Vanadium as V(IV)-Oxinate by S. Kaur, A. K. Chhakkarand L. R. Kakkar* Department ofChemistry, Kurukshetra University, Kurukshetra -132119, Haryana; India Key words: vanadium(V), oxine, 8-hydroxyquinoline, gravimetry A very simple gravimetric method for the determination of vanadium has been worked out. In acid medium vanadium is reduced to tetravalent state which forms greenish-black precipitate with 8-hydroxyquinoline (2 % in 2 mol 1-1 CH3COOH) in the presence of ammonium acetate. The precipitate is dried and weighedas VO(C9H60 N)2. The con version factor for vanadium is 0.1437. The method is free from the interference of molybdenum(VI), chromium(III,VI), uranium(VI), selenium(IV), arsenic(I1I), bis muth(III), lead(U), calcium(II), manganese(I1) and maguesium(II). Opracowanoprosta wagow'\ metode oznaczania wanadu. Wauad(V) redukuje silt w kwasnym roztworze do wanadu(IV), ktory w obecnosci octanuamonu tworzy z 8-hydro ksychinolina (2 % roztwor w 2 mol 1-1CH3COOH) zielonoczaruy osad. Po wysuszeniu osad jestwazonyjako VO(C9H60 Nh Mnoznik analityczny wynosi dla wanadu 0,1437. W oznaczeniu nie przeszkadzaja: molibden(VI), chrom(III,VI), uran(VI), selen(IV), arsen(III), bizmut(III), o16w(II), wapriffl), mangan(II} i magnez(II), Many inorganic [1-4a] and organic [5-8, 11] precipitants employed for the estimation of vanadium in milligram amounts are. unsuitable for routine analysis, either because they are not quantitative or because other elements are coprecipitated withvanadium, and also in some cases, the precipitate formed does not have a definite composition. Cup ferron [4b] is generally recommended for the precipitation of vanadium, but several precautions are necessary because ofthe instability of cupfer ron and many other elements are precipitated by the reagent under conditions ofthe * Senior author for correspondence. -
Customer Information Regarding Material Resistance in Compressed Air Preparation
Customer information regarding material resistance in compressed air preparation Polycarbonate reservoirs for filter regulators, filters, and lubricators Everywhere the presence of these media cannot be avoided, such as in paint booths, gluing machines, Polycarbonate is the longest known and most vulcanization plants, etc., the use of metal reservoirs processed material in the world for reservoirs of is required. compressed air maintenance units. The high Problematic is the use of solvents not only in pressure and temperature resistances, as well as immediate contact with the reservoir, but also in its good compatibility with the normally used media immediate vicinity. For example, trichlorethylene such as water, oils and greases are some of its vapors from the compressor’s intake air can cause advantages. crack formation in the polycarbonate reservoir. Only The only “weakness” of this plastic is its clean the reservoirs using a slightly damp cloth. Only susceptibility to media that can be referred to use water to do this and, if necessary, a mild collectively using the term “solvents”. From this detergent without chemical additives. range, the materials relevant to the use of If a lubricator is used, please only use suitable compressed air preparation units are summarized pneumatic oils, e.g. AVENTICS pneumatic oil, order here: no. 8982000010 – 1L. Detergents : Trichloroethylene, (usually from outside) perchloroethylene, In most cases, the use of (pneumatic) oils with benzene, additives, for example antifreeze, results in damage super/regular gasoline to or destruction of the reservoirs and must thus be avoided. Alternatively, we recommend the use of Solvents : Acetone, metal reservoirs. (from outside/inside) paint thinners, alcohols, esters Polycarbonate can react to permanent UV-light irradiation and weathering.