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WR ®300/525/600, AR ®HT & ARLON ® 1000 Chemical Resistance Data

WR®300/525, AR®HT Concentrate & ARLON® 1000 Chemical Weight % <275°F (135°C) >275°F (135°C) WR®600 Comments

Acetaldehyde, aq. 40 111 Acetamide, aq. 50 111 Acetic Acid, aq. 10 111 Acetic Acid, glacial 100 121 Acetic Anhydride 11Material 1 may react with absorbed moisture Acetone 1 2 – 3 1 Mechanical properties loss <30% for material 2 at T>120 ºF (50 ºC) Acetonitrile 11 Acetophenone 2 3 – 4 1 Material 1 may be slightly soluble at temperatures >390ºF (200ºC) Acetylene 11 Acetyl Chloride, dry 11Material 1 may react with absorbed moisture Acids-Aliphatic, pure 1 1 – 2 1 Acids-Sulfonic, pure 2 – 4 3 – 4 1 Acids-Non oxidizing, aq. <40 1 1 – 2 1 Acrylic Acid 111 Acrylonitrile 11 Adipic Acid 11 Air 1 2 – 3 1 Oxidation for material 1 increases at higher temperatures Alcohols, Aliphatic 111 Allyl Chloride 2 2 – 3 1 Allyl Alcohol 111 Aluminum Chloride, aq. 10 111 Aluminum Chloride, anydrous 441 Aluminum Nitrate, aq. Sat. 11 Aluminum Sulfate, aq. 10 111 Ammonia, aq. Conc. 111 Ammonia, Liquid 11 Ammonia Gas 111 Ammonium Carbonate, aq. 10 111 Ammonium Chloride, aq. 10 111 Ammonium Chloride, aq. 37 111 Ammonium Fluoride, aq. Sat. 11 Ammonium Hydroxide 11

Notes: Material 1= WR300, WR525, ARHT & Arlon 1000 Material 2= WR600 www.gtweed.com WR®300/525, AR®HT Concentrate & ARLON® 1000 Chemical Weight % <275°F (135°C) >275°F (135°C) WR®600 Comments

Ammonium Nitrate, aq. Sat. 11 Ammonium Phosphate, aq. Sat. 11 Ammonium Sulfate, aq. Sat. 11 Amyl Acetate 111 Amyl Alcohol 111 Aniline 21 Antimony Trichloride, aq. 10 111 Aqua Regia 441Chemical attack for material 1 Argon 111 Automatic Transmission Fluid 11Dexron II Chloride, aq. 10 111 , aq. slurry 111 Barium , aq. 10 111 Benzaldehyde 241Material 1 may be slightly soluble at temperatures >390ºF (200ºC) Benzene 2 3 – 4 1 Material 1 slightly soluble at temp. >390ºF (200ºC) Benzene Sulfonic Acid, pure 2 – 3 41 Benzene Sulfonic Acid, aq. <50 111 Benzyl Alcohol 2 3 – 4 1 Material 1 may be slightly soluble at temperatures >390ºF (200ºC) Benzoic Acid, aq. Sat. 111 Benzoic Acid, pure-as melt above Not appl. 3 – 4 1 252ºF (122ºC) Benzophenone 2 3 – 4 Material 1 expected to be a solvent >390ºF (200ºC) Beverages, Alcoholic 111 Beverages, Carbonated 111 Biphenyl 2 3 – 4 Material 1 expected to be a solvent >390ºF (200ºC) Bitumen 231 Bleaching Lye 10 2 Potential for oxidative attack Material 1 Boric Acid, aq. 10 111 Brake Fluid 12Castrol universal brake & clutch fluid Bromine, aq. 30 441 Bromine Liq. 441 Butane (all isomers) 111 Butene (all isomers) 111 Butadiene 111 Butanol 111 Butyl Acetate 111 Butylene Glycol 111 Butylamine 11Mechanical properties loss <30% for material 2 at T>120ºF (50ºC) Butyric Acid, aq. 20 111 Butyric Acid Conc. 1 1 – 2 Butyrolactone 111

Notes: Material 1= WR300, WR525, ARHT & Arlon 1000 Material 2= WR600 www.gtweed.com 2 WR®300/525, AR®HT Concentrate & ARLON® 1000 Chemical Weight % <275°F (135°C) >275°F (135°C) WR®600 Comments

Calcium Carbonate slurry 11 Calcium Chloride, aq. 10 111 Calcium Chloride (in Alcohol) 20 111 Calcium Hydroxide 11 Calcium Hydroxide, aq. 0.2 111 Calcium Hypochlorite, aq. 2 2 – 4 1 Potential for oxidative attack on material 1 Calcium Nitrate, aq. Sat. 11 , aq. Sat. 11 Camphor 11 Caprolactam, aq. Sat. 2 Carbon Monoxide 111 , gas 111 Carbon Dioxide, supercritical 21 231 Carbon Tetrachloride 221Mechanical properties loss <50% for material 2 at T>170ºF (80ºC) Carbonic Acid, aq. 10 111Same as carbon dioxide, aq. Castor Oil 111 Caustic Soda 10 121 50 1 – 2 3 – 4 1 Chloroacetic Acid 341 Chloral Hydrate 121 Chlorine, Aqueous 10 441Chemical attack for material 1 Chlorine, Gas 100 441Chemical attack for material 1 Chlorobenzene 2 – 3 41 Chloroform 231Mechanical properties loss <30% for material 2 at T>115ºF (45ºC) 1-Chloronaphthalene 34 Chlorophenol, aq. 51 1 Chlorophenol 441 Chlorosulfonic Acid 441 Chrome Alum., aq. 10 111 Chromic Acid 40 341Oxidation for material 1 Citric Acid, aq. 10 111 Citric Acid, aq. Sat. 111 Coconut Oil 111 Copper Nitrate, aq. Sat. 11 Copper Sulfate, aq. Sat. 11 Cottonseed Oil 11 Creosote 231 Cresols 341 Cresylic Acid 231 Crude Oil 1 – 2 2 – 3 1 Highly aromatic crudes are more aggressive to material 1

Notes: Material 1= WR300, WR525, ARHT & Arlon 1000 Material 2= WR600 www.gtweed.com 3 WR®300/525, AR®HT Concentrate & ARLON® 1000 Chemical Weight % <275°F (135°C) >275°F (135°C) WR®600 Comments Cumene (Cumol) 441 Cupric Chloride, aq. 10 111 Cupric Sulfate, aq. 10 11 Cupric Sulfate, aq. Sat. 11 Cyclohexane 111 Cyclohexene 111 Cyclohexanol 111 Cyclohexanone 21 Decalin 11 Detergents, Organic 111 Dibutylphthalate 1 2 – 3 1 Dichloroacetic Acid 441Material 1 dissolves at higher temperatures Dichlorobenzene 2 – 3 41Material 1 expected to be a solvent >390ºF (200ºC) Dichlorodifluoromethane Conc. 111 1,2-Dichloroethane 231 Dichloromethane 341 Diethanolamine 11 Diethyleneglycol 111 Diethyleneglycol, aq. 90 111 Diethyl Ether 131Mechanical properties loss <50% for material 2 at T>75ºF (25ºC) Diesel Oil 111 Dimethyl Carbitol 11 Dimethyl Aniline 11 Dimethyl Formamide 231 Dimethyl Phthalate 2 – 3 3 – 4 1 Dimethyl Sulfoxide 21 Dinitrogen Tetroxide 44 Powerful oxidant, will attack material 1 Dioctyl Phthalate (DOP) 2 2 – 3 1 Dioxane 231 Diphenyl 2 3 – 4 1 Diphenyl Ether 2 – 3 3 – 4 1 Material 1 expected to be a solvent >390ºF (200ºC) Diphenyl Oxide 2 – 3 3 – 4 1 Material 1 expected to be a solvent >390ºF (200ºC) Diphenyl Sulfone 24 Solvent for material 1 at high temperatures Dowtherm A 341Material 1 expected to be a solvent >390ºF (200ºC) Dowtherm G 1 2 – 3 Dowtherm HT 1 2 – 3 Dowtherm LF 1 2 – 3 Edible Oils 111 Ethane 11 Ethanol, Denatured 96 111 Ethanolamine 11 Ether Diethyl 111

Notes: Material 1= WR300, WR525, ARHT & Arlon 1000 Material 2= WR600 www.gtweed.com 4 WR®300/525, AR®HT Concentrate & ARLON® 1000 Chemical Weight % <275°F (135°C) >275°F (135°C) WR®600 Comments

Ethyl Acetate 121 Ethyl Alcohol 11 Ethyl Butyrate 111 Ethyl Chloride 111 Ethyl 23 Ethyl Ether 131 Ethylbenzene 1 – 2 41Avoid tensile stress with material 1 Ethylene (Ethene) 11 Ethylene Dichloride 231 Ethylene Glycol, aq. 96 121 Ethylene Oxide 121Material 1 may react with absorbed moisture Ethylene Propionate 111 Fatty Acids 11 Ferric Chloride, aq. 5111 Ferric Chloride, aq. 10 111 Ferric Chloride, aq. Sat. 221 Ferric Chloride, anhydrous 44 In non-aqueous solvents or as melt Ferric Oxide slurry 11 Ferric Sulfate 111 Ferrous Chloride, aq. 10 111 9-Fluorenone 23 Fluorine 441Violent reaction with material 1 Fluosilicic Acid, aq. 10 111 Fluothane 11 Formaldehyde, aq. 40 121 Formalin 1 Formic Acid 100 241 Forzaldehyde 37 % (Formalin) 1 Fromic Acid, aq. 323 Freon 11 10 231Fluorotrichloromethane Freon 12 (Arcton 12) Conc. 111Dichlorodifluoromethane Freon 22 11Chlorodifluoromethane Freon 114 11Dichlorotetrafluoroethane Freon 134a 1 1.3.3.3-Tetrafluoroethane Freon 502 11Blend of chlorodifluoromethane and chloropentafluoroethane Furan 2 3 – 4 1 Furfural (Furfuraldehyde) 2 3 – 4 1 Gas, Natural 111 Gasoline 121 Gear Oil 1 Castrol HYPOY EP90 Glucose, aq. 11 Glycerine 111

Notes: Material 1= WR300, WR525, ARHT & Arlon 1000 Material 2= WR600 www.gtweed.com 5 WR®300/525, AR®HT Concentrate & ARLON® 1000 Chemical Weight % <275°F (135°C) >275°F (135°C) WR®600 Comments Glycolic Acid (Hydroxy Acetic) 111 Glycol 96 12 Glycols 11 Helium 111 Heptane (all isomers) 111 Heptene (all isomers) 11 Hexamine 1 Hexane (all isomers) 111Mechanical properties loss <30% for material 2 at T>150ºF (65ºC) Hexene (all isomers) 11 Hydraulic Fluid (Petroleum) 11 Hydraulic Fluid (Phosphate Ester) 121 Hydraulic Fluid (Vegetable Oil) 11 Hydraulic Fluid (Water-Glycol) 11 Hydrobromic Acid, aq. 10 441Potential source of bromine in presence of air Hydrocarbons, Aliphatic 111Higher temperatures decrease material 1 absorption Hydrocarbons, Aromatic 2 2 – 4 1 Higher temperatures increase material 1 absorption Hydrocarbons, Olefinic 1 1 – 2 1 Hydrochloric Acid, aq. 20% 111 10% 111 Hydrocyanic Acid 11 Hydrofluoric Acid, aq. 4441 Hydrogen 111 Hydrogen Chloride, aq. Conc. 11 Hydrogen Cyanide 11 Hydrogen Fluoride (Anhydrous) 441 Hydrogenated Vegetable Oils 11 Hydrogen Peroxide, aq. 28 121Material 1 oxidation at higher temperatures , aq. Sat. 111 Hydroquinone 231 Hydrazine 231Long term exposure may cause stress cracking in material 1 Iodine (in Alcohol) 231 Isoprene 111 Isopropyl Acetate 121 Isoctane 111 Isopropylalcohol 111 Isopropylbenzene 441 Isopropyl Ether 111 Jet Fuel (JP3, JP4 & JP5) 121 Kerosene 111 Lactic Acid 11 Lactic Acid, aq. 10 111 90 111

Notes: Material 1= WR300, WR525, ARHT & Arlon 1000 Material 2= WR600 www.gtweed.com 6 WR®300/525, AR®HT Concentrate & ARLON® 1000 Chemical Weight % <275°F (135°C) >275°F (135°C) WR®600 Comments

Lead Acetate, aq. 10 111 Lead Nitrate 11 Lead Stearate slurry 11 Lead Sulfamate 11 Linoleic Acid 11 Linseed Oil 111 Lithium Chloride, aq. 30 111 Lubricating Oils (Petroleum) 111 Lithium Bromide, aq. 50 11 Magnesium Bisulfate 11 Magnesium Carbonate slurry 11 Magnesium Chloride, aq. 10 111 Magnesium Hydroxide, aq. Sat. 111 Magnesium Nitrate, aq. 11 Magnesium Sulfate, aq. 10 111 Maleic Acid, aq. Conc. 111 Malonic Acid, aq. Conc. 11 Manganese Chloride, aq. 11 Manganese Sulfate 11 Manganese Sulfate, aq. 10 111 Mercuric Chloride, aq. 6111 Mercuric Cyanide, aq. 11 Mercuros Nitrate, aq. 11 Mercury 111 Methane 111 Methanol 121 Methyl Alcohol 121 Methyl Acetate 111 Methyl Bromide 21 Methyl Ethyl Amine 1 – 2 3 Swelling with material 1 at temperatures >180ºF (80ºC) Methyl Ethyl Ketone (MEK) 1 2 – 3 1 Methyl Isobutyl Ketone (MIBK) 11 Methyl Tert-butyl Ether (MTBE) 11Mechanical properties loss <30% for material 2 at T>175 ºF (80 ºC) Methyl Pyrrolidone 23 Methyl Phenyl Ether 23 Methylene Chloride 341 Methylene Diphenylisocyanate (MDI) 2 – 3 3 – 4 Stress cracking at higher temperatures. Will react with absorbed water Milk 111 Mineral Oils 111 Monochlorobenzene 2 – 3 41 Morpholine 21

Notes: Material 1= WR300, WR525, ARHT & Arlon 1000 Material 2= WR600 www.gtweed.com 7 WR®300/525, AR®HT Concentrate & ARLON® 1000 Chemical Weight % <275°F (135°C) >275°F (135°C) WR®600 Comments

Motor Oil (Petroleum) 111 Motor Oil (Synthetic Ester) 111 N-Methyl Pyrrolidone 23 Avoid tensile stress for material 1 Naphtha 111 Naphthalene 2 3 – 4 1 Material 1 may become slightly soluble at higher temperatures Nickel Chloride, aq. 11 Nickel Nitrate, aq. 11 Nickel Sulfate, aq. Sat. 11 Nitric Acid 441Chemical attack for material 1 Nitric Acid, aq. 10 121 Nitric Acid, aq. 30 11 Nitric Acid, aq. 50 441Mechanical properties loss <30% for material 2 at T>250 ºF (120 ºC) Nitrobenzene 2 – 3 41For material 1 swelling at higher temperature; some solubility. Nitrogen 111 Nitromethane 231 Nitrous Acid, aq. 11 Nitrous Oxide 111 Octane (all isomers) 111 Oleic Acid 121 441 Ortho Chlorobenzene 2 – 3 41Avoid tensile stress for material 1 Oxalic Acid, aq. 10 111 Oxygen 1*1*Rate of oxidation increases with concentration and temperature. Will burn if ignited. Ozone 1*1*Rate of oxidation increases with concentration and temperature. Will burn if ignited. Palmitic Acid 111 Parachlorophenol (4-Chlorophenol) 44 Material 1 dissolves at higher temperatures Paraffin 11 Pentafluorophenol 2 3 – 4 Pentane (all isomers) 111 Pentene (all isomers) 111 Perchloroethylene (Tetrachloroethylene) 121 Perchloric Acid Conc. 441DANGER: EXPLOSIVE Perchloric Acid, aq. 10 11Dangerous if perchloric acid becomes concentrated Petroleum Ether 111 Phenol, aq. 6231 Phenol, aq. 75 441 Phenol (Molten) 44 Dissolves material 1 at higher temperatures Phosphoric Acid, aq. 3111 Phosphoric Acid, aq. 50 121

Notes: Material 1= WR300, WR525, ARHT & Arlon 1000 Material 2= WR600 www.gtweed.com 8 WR®300/525, AR®HT Concentrate & ARLON® 1000 Chemical Weight % <275°F (135°C) >275°F (135°C) WR®600 Comments

Phosphoric Acid, aq. 80 11 Phthalic Acid, aq. Sat. 111 Picric Acid, aq. Sat. 11Melts at 250ºF (120ºC) Potassium Acetate, aq. 50 111 Potassium Bicarbonate, aq. 60 111 Potassium Bromide, aq. 10 11 Potassium Carbonate, aq. 60 111 Potassium Chloride, aq. 90 111 Potassium Dichromate, aq. 511 Potassium Ferricyanide, aq. 30 111 Potassium Ferrocyanide, aq. 30 111 Potassium Hydroxide, aq. 10 121Do not use glass reinforced grades 50 1 – 2 3 – 4 1 Chemical attack increases with temperature and concentration Potassium Iodide, aq. Sat. 11 Potassium Nitrate, aq. 10 111 Potassium Oxalate, aq. 111 Potassium Permanganate, aq. 11 1Potential oxidant for material 1 , aq. Sat. 11 Potassium Sulfinate, aq. Conc. 11 , aq. 90 111 Propanol 111 Propyl Acetate 121 Propyl Alcohol 111 Propylene 111 Propylene Glycol 12 Pyridine 2 – 3 3 – 4 1 Propane 111 Resorcinol 2 3 – 4 1 Salicylic Acid 121 Silicone Fluids 111 Silver Nitrate 111 Skydrol 500 & 7000 1 – 2 21 Soap Solutions 111 Sodium (Molten) 444 Sodium Acetate, aq. 60 111 Sodium Aluminate, aq. 11 Sodium Benzoate, aq. 10 111 Sodium Bicarbonate, aq. 50 111 Sodium Bichromate, aq. 11Potential oxidant for material 1 Sodium Bisulfate, aq. Sat. 11 Sodium Bisulfite, aq. 10 111 Sodium Borate (borax), aq. 111 Sodium Bromide, aq. 10 111

Notes: Material 1= WR300, WR525, ARHT & Arlon 1000 Material 2= WR600 www.gtweed.com 9 WR®300/525, AR®HT Concentrate & ARLON® 1000 Chemical Weight % <275°F (135°C) >275°F (135°C) WR®600 Comments

Sodium Carbonate 20 111 , aq. 50 111May attack glass reinforced grades Sodium Chlorate, aq. 10 111Potential oxidant for material 1 Sodium Chloride, aq. 10 111 Sodium Cyanide, aq. 10 111 Sodium Flouride, aq. 11 Sodium Hydroxide, aq. 10 121Do not use glass reinforced grades 50 1 – 2 3 – 4 1 Chemical attack increases with temperature and concentration Sodium Hypochlorite 15% Cl 231Potential oxidant for material 1 Sodium Nitrate, aq. 50 111 Sodium Perborate, aq. 10 111 Sodium Phosphate, aq. 90 111 Sodium Silicate 111 Sodium Sulfate, aq. 50 111 , aq. 25 111 Sodium Thiosulfate, aq. 10 111 Stannic Chloride, aq. 10 111 Stannic Sulfate, aq. 10 11 Steam 111555ºF (290ºC) maximum for material 1 Stearic Acid 111 Styrene (Monomer) 231 121Potentially reactive at higher temperatures (Dry Gas) 100 111 , aq. <40 121 Sulfuric Acid, aq. Conc. 44 Dissolves, reacts with material 1 Sulfuric Acid, Fuming 441 , aq. 10 111Aqueous solution of Sulfur Dioxide Tallow 111 Tannic Acid 11 Tar 2 3 – 4 1 Tartaric Acid, aq. 10 111 Terephtalic Acid (TPA) 2 Tetrachlorethylene 121 Tetraethyl Lead 11 Tetrahydrofuran 2 2 – 3 1 Strength reduced under tension for material 1. Mechanical properties loss <30% for material 2 at T>150ºF (65ºC) Tetralin 2 2 – 3 21Material 1 reacts with absorbed moisture 2 3 – 4 Titanium Tetrachloride 11Material 1 reacts with absorbed moisture Toluene 1 2 – 3 1 Mechanical properties loss for material 1/material 2 at T>210 ºF (100ºC)

Notes: Material 1= WR300, WR525, ARHT & Arlon 1000 Material 2= WR600 www.gtweed.com 10 WR®300/525, AR®HT Concentrate & ARLON® 1000 Chemical Weight % <275°F (135°C) >275°F (135°C) WR®600 Comments

Transformer Oil 111 Trichlorethylene 2 2 – 3 1 Triethanolamine 11 Trifluoromethyl Sulfonic Acid 44 Dissolves material 1 Tripropylene Glycol 11 Tributyl Citrate 11 Trichlorobenzene 2 3 – 4 1 Turpentine 111 Trisodium Phosphate, aq. 95 111 Undecyl Alcohol (undecanol) 111 Urea 121 Vaseline 111 Vegetable Oils 111 Vinegar 111 Vinylacetate 11 Vinyl Chloride 221 Vinylidine Chloride (Resin) 11 Water 111555ºF (290ºC) maximum for material 1 Wax (Molten) 111 White Spirit 111 Wines & Spirits 111 Xylene (all isomers) 1 2 – 3 1 Xylenol 2 3 – 4 1 Zinc Carbonate slurry 11 Zinc Chloride, aq. 10 111 Zinc Nitrate, aq. 11 Zinc Oxide slurry 11 Zinc Sulfate, aq. 10 111

Notes: Material 1= WR300, WR525, ARHT & Arlon 1000 Material 2= WR600

www.gtweed.com 11 LEGEND 1 - No attack, possibly slight absorption. Negligible effect on mechanical properties. 2 - Slight attack by absorption. Some swelling and a small reduction in mechanical properties likely. May limit load bearing capabilities under tension. 3 - Moderate attack or appreciable absorption. Material may have limited life. Applications involving tensile stress not recommended. 4 - Material will dissolve or suffer chemical attack in a short time. Conc. - Concentrated Aqueous Solution Sat. - Saturated Aqueous Solution

Statements and recommendations in this publication are based on our experience and knowledge of typical applications for this product and are presented in good faith. This shall not constitute a guarantee or warranty of performance nor a modification or alteration of our standard product warranty which shall be applicable to such products.

Prior to actual use it is recommended compatibility test be run to determine suitability in a specific application.

This is critical where failure could result in injury or damage. A regular program of inspection and replacement should be implemented. Greene, Tweed personnel are available to help with a recommendation. © 2 0 1 1 , G r e e n e 0 , 1 T / w 1 1 e - e G d T a l l r G i g H h - t U s S r - e P s P e - r 0 v 0 e d 8

Contact Us Greene, Tweed Tel: +1.281.765.4500 123 PetroChem & Power Tel: +1.800.820.9005 Houston, TX, USA Fax: +1.281.821.2696 www.gtweed.com