304 Stainless Steel Chemical Compatibility Chart from ISM

1 304 Stainless Steel Chemical Compatibility Chart ver 1-Nov-2018 Key to General Chemical Resistance [all data based on 72 (22 C) unless noted ] A = Excellent No Effect C = Fair - Moderate Effect, not recommended B= Good - Minor Effect, slight corrosion or discoloration D = Severe Effect, not recommended for ANY use It is the sole responsibility of the system designer and user to select products suitable for their specific application requirements and to ensure proper installation, operation, and maintenance of these products. Material Compatibility , product ratings and application details should be considered in the selection. Improper selection or use of products described herein can cause personal injury or product damage. 4091 S. Eliot St., Englewood, CO 80110-4396 Phone 303-781-8486 I Fax 303-761-7939 Copyright 2018 Industrial Specialties Mfg.

2 Industrial Specialties Mfg. and IS MED Specialties ISM Chemical Acetaldehyde A Acetaldehyde, 40% (aqueous) A Acetamide B Acetate Solvents, crude A Acetate Solvents, pure A Acetic acid , 4-8% A Acetic acid , 10% B Acetic acid , 20% B Acetic acid , 80% D Acetic acid , glacial C Acetic Anhydride B Acetic Ether (ethyl acetate) B Acetone (dimethyl ketone) A Acetophenone A Acetyl Acetone A Acetyl Chloride, dry A Acetylene A Acetylene Tetrachloride A acrylic acid A Acrylonitrile A Adipic acid , aqueous A Alcohol, Allyl A Alcohol, Amyl (methyl butanol) A Alcohol, Benzyl B Alcohol, Butyl A Alcohol, Diacetone B Alcohol, Ethyl (ethanol) A Alcohol, Glycyl A Alcohol, Hexyl (hexanol) A Alcohol, Isobutyl A Alcohol, Isopropyl (isopropanol) B Alcohol, Methyl (carbinol, methanol, wood alcohol) A Alcohol, Octyl A Alcohol, Propargyl A Alcohol, Propyl (propanol) A Allyl Alcohol A Chemical Allyl Chloride A Alum, Ammonium B Alum, Chrome B Alum, Potassium B Aluminum Acetate A Aluminum Chloride B Aluminum Chloride, 20% D Aluminum Fluoride D Aluminum Hydroxide A Aluminum Nitrate A Aluminum Potassium Sulfate, 10% A Aluminum Potassium Sulfate, 100% D Aluminum Sulfate, 10% D Amines, 15% A Ammonia, 10% A Ammonia Nitrate A Ammonia, anhydrous A Ammonia, gas A Ammonia, liquid B Ammonium Acetate B Ammonium Bifluoride D Ammonium Carbonate B Ammonium Chloride C Ammonium Fluoride, 10% B Ammonium Hydroxide, 20% A Ammonium Metaphosphate A Ammonium Nitrate A Ammonium Oxalate A Ammonium Persulfate A Ammonium Phosphate, Dibasic B Ammonium Phosphate, Monobasic B Ammonium Phosphate, Tribasic B Ammonium Sulfate.

3 5% B Ammonium Sulfide D Ammonium Thiocyanate A Ammonium Thiosulfate A 304 Stainless Steel Chemical Compatibility Chart ver 1-Nov-2018 Key to General Chemical Resistance [all data based on 72 (22 C) unless noted ] A = Excellent No Effect C = Fair - Moderate Effect, not recommended B= Good - Minor Effect, slight corrosion or discoloration D = Severe Effect, not recommended for ANY use It is the sole responsibility of the system designer and user to select products suitable for their specific application requirements and to ensure proper installation, operation, and maintenance of these products. Material Compatibility , product ratings and application details should be considered in the selection. Improper selection or use of products described herein can cause personal injury or product damage. 4091 S. Eliot St., Englewood, CO 80110-4396 Phone 303-781-8486 I Fax 303-761-7939 Copyright 2018 Industrial Specialties Mfg.

4 Industrial Specialties Mfg. and IS MED Specialties ISM Chemical Amyl Acetate A Amyl Alcohol (methyl butanol) A Amyl Chloride A Amyl Hydride (pentane) C Aniline A Aniline Hydrochloride, 20% D Animal Fat (tallow) A Anise Oil A Antifreeze (ethylene glycol) B Antimony Pentachloride D Antimony Trichloride (antimony chloride) D Apple acid (malic acid ) A Aqua Regia (80% HCl, 20% HNO3) D Arochlor 1248 B Arsenic acid , 80% A Asphalt B Aviation Fuel A Baking Soda (sodium bicarbonate) A Barium Carbonate B Barium Chloride A Barium Cyanide A Barium Hydrate A Barium Hydroxide, 10% B Barium Nitrate B Barium Sulfate B Barium Sulfide B Bay Oil A Beer A Beet Sugar Liquids A Benzaldehyde B Benzene B Benzene Sulfonic acid , 80% B Benzene Sulfonic acid B Benzine (ligroin) A Benzoic acid , 10% B Benzol B Chemical Benzonitrile D Benzyl Alcohol B Benzyl Benzoate A Benzyl Chloride C Black Liquor A Bleach (sodium hypochlorite, ) C Bone Oil A Borax (sodium borate) A Boric acid B Brake Fluid A Brewery Slop A Brine A Bromic acid , D Bromine, dry D Bromine Gas, wet D Bromine Liquid D Bromine Water D Butadiene Gas A Butane Gas A Butanedioic acid (succinic acid ) A Butanol (butyl alcohol) A Butter C Buttermilk A Butyl Acetate B Butyl Alcohol A Butyl Cellosolve (ethylene glycol monobutyl ether) A Butyl Chloride (chlorobutane) A Butyl Ether A Butyl Phenol A Butyl Phthalate B Butyl Stearate A Butylamine A Butylene (LPG, liquified petroleum gas)

5 A Butyraldehyde B Butyric acid B Calcium Acetate A 304 Stainless Steel Chemical Compatibility Chart ver 1-Nov-2018 Key to General Chemical Resistance [all data based on 72 (22 C) unless noted ] A = Excellent No Effect C = Fair - Moderate Effect, not recommended B= Good - Minor Effect, slight corrosion or discoloration D = Severe Effect, not recommended for ANY use It is the sole responsibility of the system designer and user to select products suitable for their specific application requirements and to ensure proper installation, operation, and maintenance of these products. Material Compatibility , product ratings and application details should be considered in the selection. Improper selection or use of products described herein can cause personal injury or product damage. 4091 S. Eliot St., Englewood, CO 80110-4396 Phone 303-781-8486 I Fax 303-761-7939 Copyright 2018 Industrial Specialties Mfg.

6 Industrial Specialties Mfg. and IS MED Specialties ISM Chemical Calcium Bisulfide B Calcium Bisulfite B Calcium Carbonate A Calcium Chlorate A Calcium Chloride C Calcium Hydroxide B Calcium Hypochlorite C Calcium Nitrate C Calcium Oxide (lime) A Calcium Phosphate A Calcium Sulfate B Calcium Sulfide A Calgon (sodium hexametaphosphate) A Cane Juice A Cane Sugar Liquors A Carbinol (methanol, methyl alcohol) A Carbolic acid (phenol) B Carbon Bisulfide A Carbon Dioxide, dry A Carbon Dioxide, wet A Carbon Disulfide A Carbon Monoxide Gas A Carbon Tetrachloride B Carbon Tetrachloride, dry B Carbon Tetrachloride, wet A Carbonated Water (carbonic acid ) A Carbonic acid (carbonated water) A Castor Oil A Catsup (ketchup) A Cellosolve (butyl cellosolve) A Chloric acid , 20% D Chlorine, anhydrous liquid C Chlorine Dioxide, 15% D Chlorine Gas, dry A Chlorine Gas, wet D Chlorine Liquid D Chemical Chlorine Water C Chloroacetic acid B Chlorobenzene, mono A Chloroethane (ethyl chloride) A Chloroform A Chlorobenzene (monochlorobenzene) A Chlorobutane (butyl chloride) A Chlorosulfonic acid , 50% D Chocolate Syrup A Chrome Alum (chromium potassium sulfate) B Chromic acid , 5% B Chromic acid , 10% B Chromic acid , 20% B Chromic acid , 30% B Chromic acid , 50% C Chromium Potassium Sulfate (chrome alum) B Cider A Citric acid B Citric Oils (citrus oils, limonene) A Clorox (bleach, sodium hypochlorite, ) A Coconut Oil A Cod Liver Oil A Coffee A Coke Oven Gas A Copper Acetate A Copper Carbonate A Copper Chloride D Copper Cyanide (cupric cyanide)

7 B Copper Fluoborate D Copper Fluoride D Copper Nitrate A Copper Sulfate, >5% (cupric sulfate) B Copper Sulfate, 5% (cupric sulfate) B Corn Oil A Corn Syrup A Cottonseed Oil A 304 Stainless Steel Chemical Compatibility Chart ver 1-Nov-2018 Key to General Chemical Resistance [all data based on 72 (22 C) unless noted ] A = Excellent No Effect C = Fair - Moderate Effect, not recommended B= Good - Minor Effect, slight corrosion or discoloration D = Severe Effect, not recommended for ANY use It is the sole responsibility of the system designer and user to select products suitable for their specific application requirements and to ensure proper installation, operation, and maintenance of these products. Material Compatibility , product ratings and application details should be considered in the selection. Improper selection or use of products described herein can cause personal injury or product damage.

8 4091 S. Eliot St., Englewood, CO 80110-4396 Phone 303-781-8486 I Fax 303-761-7939 Copyright 2018 Industrial Specialties Mfg. Industrial Specialties Mfg. and IS MED Specialties ISM Chemical Cream A Creosote A Cresols A Cresylic acid A Crude Oil, sour A Cupric acid D Cupric Cyanide (copper cyanide) B Cupric Nitrate A Cupric Sulfate (copper sulfate) B Cutting Oil A Cyanic acid A Cyclohexane A Cyclohexanol A Cyclohexanone A Detergents A Developers, photographic A Dextrin (starch gum) A Dextrose (glucose) A Diacetone Alcohol B Dibenzyl Ether A Dibutyl Ether A Dibutyl Phthalate A Dichlorobenzene A Dichloroethane (ethylene dichloride) B Dichloroethylene D Diesel Fuel (20, 30, 40, 50) A Diethanolamine A Diethyl Ether B Diethylamine A Diethylene Glycol A Diisobutylene A Diisopropyl Ketone A Dimethyl Aniline B Dimethyl Ether (methyl ether) C Dimethyl Formamide A Dimethyl Ketone (acetone) A Chemical Dimethyl Phthalate A Dioctyl Phthalate A Dioxane D Diphenyl (Dowtherm ) B Diphenyl Ether (diphenyl oxide)

9 B Diphenyl Oxide (diphenyl ether) B Disodium Phosphate A Dowtherm (diphenyl) B Dry Cleaning Solvents A Dyes A Epichlorohydrin A Epsom Salts (magnesium sulfate) A Ethane A Ethanol (ethyl alcohol) A Ethanolamine A Ethers A Ethyl Acetate (acetic ether) B Ethyl Acrylate A Ethyl Alcohol (ethanol) A Ethyl Bromide A Ethyl Butyrate A Ethyl Chloride (chloroethane) A Ethyl Ether B Ethyl Sulfate D Ethylene Bromide A Ethylene Chloride B Ethylene Chlorohydrin B Ethylene Diamine B Ethylene Dichloride (dichloroethane) B Ethyl Ether A Ethylene Glycol (antifreeze) B Ethylene Glycol Monobutyl Ether (butyl cellosolve) A Ethylene Oxide B Ethylbenzene A Fatty Acids B Ferric Chloride D 304 Stainless Steel Chemical Compatibility Chart ver 1-Nov-2018 Key to General Chemical Resistance [all data based on 72 (22 C) unless noted ] A = Excellent No Effect C = Fair - Moderate Effect, not recommended B= Good - Minor Effect, slight corrosion or discoloration D = Severe Effect, not recommended for ANY use It is the sole responsibility of the system designer and user to select products suitable for their specific application requirements and to ensure proper installation, operation, and maintenance of these products.

10 Material Compatibility , product ratings and application details should be considered in the selection. Improper selection or use of products described herein can cause personal injury or product damage. 4091 S. Eliot St., Englewood, CO 80110-4396 Phone 303-781-8486 I Fax 303-761-7939 Copyright 2018 Industrial Specialties Mfg. Industrial Specialties Mfg. and IS MED Specialties ISM Chemical Ferric Hydroxide A Ferric Nitrate, 50% B Ferric Sulfate B Ferrous Chloride D Ferrous Nitrate A Ferrous Sulfate B Flaxseed Oil (linseed oil) A Fluoboric acid B Fluorine Gas, dry C Fluorine Gas, wet D Fluosilicic acid , 25% (hydro fluosilicic acid ) D Formaldehyde, 40% A Formaldehyde, 50% A Formaldehyde, 100% C Formic acid , 25% B Freon 11 Trichlorofluoromethane (MF) A Freon 12 Dichlorodifluoromethane B Freon 22 Chlorodifluoromethane A Freon 113 Trichlorotrifluoroethane (TF) A Freon 114 Dichlorotetrafluoroethane A Freon TF Trichlorotrifluoroethane A Fructose A Fruit Juice A Fuel Oils (1, 2, 3, 5A, 5B, 6) A Furan Resin A Furfural (ant oil, bran oil) B Gallic acid A Gasoline, high aromatic A Gasoline, leaded A Gasoline, unleaded A Gelatin A Gluconic acid , 50% D Glucose A Glue (PVA, polyvinyl acetate)