Chemical Compatibility

17-4PH Stainless Steel

Ductile Iron / Cast Iron

316 Stainless Steel

Buna N (Nitrile)
Carbon Steel

Hastelloy C

EPDM/EPR
Aluminum

Neoprene
Hypalon
Alloy 20

Grafoil

Teflon
Monel

Delrin
Brass

Nylon
Viton
Acetaldehyde B C C C A A A A D A B C D D B A
Acetamine B B B B B A A B B A
Acetate Solvents A B A B A A A D D D D D A
Acetic Acid, aerated B D D D A A A C D C C B A A
Acetic Acid, Air Free B B D D A A A A A C D D C B A A
Acetic Acid, crude C C C C A A A B A D D D D B A A
Acetic Acid, glacial A A D B C C C B A A
Acetic Acid, pure C C D D A A A D A D D D A D B A A
Acetic Acid, 10% C C C C A A A B A D B B D C C B A A
Acetic Acid, 80% C C C C A A A B A D D C D D D B A A
Acetic Acid Vapors B D D D B C A D B A A
Acetic Anhydride B D D D B B B B A D C C D B C A A
Acetone A A A A A A A A A D A A D D D A A A
Other Ketones A A A A A A A A A D A D D D D A
Acetyl Chloride D A D C B A D D D D D D A
Acetylene A B A A A A A A A B A A A C C A A
Acid Fumes B D D D B B C D C B A
Acrylonite B A A C A B A A D D D C D D A A
Air A A A A A A A A A A A A A A A A
Alcohol, Amyl B B B C A B B B C A A B B C A A A
Alcohol, Butyl B B B C A A A A B A C A B B A A A
Alcohol, Diacetone A A A A A A B A D A B D C C A A A
Alcohol, Ethyl B B B B B A B A A A A A B B A A A
Alcohols, Fatty B B B B A A A B A B B A A A
Alcohol, Isopropyl B B B B B A B B C A A A B B A A A
Alcohol, Methyl B B B B A A A A B A A C A A A A A
Alcohol, Propyl A A B B A A A A B A A A B B A A A
Alumina A A A A A A A A A
Aluminum Acetate C D D A B B C B D D A D D D A
Aluminum Chloride dry B B C D C D B B B A A A B B A A A
Aluminum Chloride solution C D C B B A B D A B B A A A
Aluminum Fluoride C D D C C B A A C A A B A A
Aluminum Hydroxide A A D D A B B B B A C A A A A
Aluminum Nitrate D D D C B C B B D B D B B A
Aluminum Oxalate B A B A A
Alum (Aluminum Potassium
Sulfate) D D D B C B C A B D B B B A A
Alum (Aluminum Sulfate) C C D D B A B C A A D A A B A A A A
Amines B B B C A A A B B D C C D D D B A
Ammonia, Alum C A A A B C B D A A
Ammonia, Anhydrous Liquid A D A B A A A B A B D B D B C A A A
Ammonia, Aqueous B D A A A A B B B D A B B B A A
Ammonia, Gas, hot A D B A A B B C D A D C A A A
Ammonia Liquor A A B B A A
Ammonia Solutions C D B B A A B B B D B D D B B A A
Ammonium Acetate B D B B A B B B D A D D B A
Ammonium Bicarbonate B B C B B B B B A A A B A B A
Ammonium Bromide 5% D B B B A A
Ammonium Carbonate B B B B B B B C D A B B A A
Ammonium Chloride D D D D C C B B B B C A A A A D A
Ammonium Hydroxide 28% C D C C B A A D B B D B A A B A A
Ammonium Hydroxide Concentrated C D C C B A A C B C D A A A A A A
Ammonium Monosulfate D A B B B D A
Ammonium Nitrate B D D D A A B D B A D A A A A C A
Ammonium Oxiate 5% A A A B A A
Ammonium Persulfate C C A A D D D B B B C A
Ammonium Phosphate C D D D B B C A C A A A A A A
Ammonium Phosphate Di-basic B C D D B B C B A A A A A A
Ammonium Phosphate Tri-basic C C D D B B C B A A A A A A
Ammonium Sulfate C C C D B B B B B A B A B B A A A A
Ammonium Sulfide C D D D B B B A A A D B B A
Ammonium Sulfite C C C C A B D B A B A A A
Amyl Acetate B B C C B A A B A D A B D D D D A
Amyl Chloride D B B A A B B D A D D D C B A
Aniline C D C C B A B B D D C C D D B A A
Aniline Dyes C C C C A A A C A C B C C A
Apple Juice B C D D B A A A A B A B A A
Aqua Regia (Strong Acid) D D D D B B D D D D D D D A
Aromatic Solvents A A C B A A B D A D A D A
Arsenic Acid D D D D B B D B A D B A B A A A
Asphalt Emulsion C A B B A A A A D A D A D C A A
Asphalt Liquid C A B B A A A A C A D A D C A
Barium Carbonate C B B B B B B A B A A A A A A
Barium Chloride D B C C B B C B A A A A B A A
Ratings: A-Excellent B-Good C-Poor D-Do not use Blank-No information
FNW provides this information from numerous sources without claim or warranty expressed or implied. FNW assumes no responsibility for errors within this information
regarding material compatibility. It is recommended that valve materials be tested in the service material for best consideration.
 Chemical Compatibility

17-4PH Stainless Steel

Ductile Iron / Cast Iron

316 Stainless Steel

Buna N (Nitrile)
Carbon Steel

Hastelloy C

EPDM/EPR
Aluminum

Neoprene
Hypalon
Alloy 20

Grafoil

Teflon
Monel

Delrin
Brass

Nylon
Viton
Barium Cyanide D C C B B D B A B B B B A
Barium Hydrate D D A A B A A
Barium Hydroxide D C C B B A A B A A B A B A A A
Barium Nitrate B A A A B A
Barium Sulfate D C C C A A B A A B A B A A
Barium Sulfide D D C D B B C A A A A B B B A
Beer A B D D A A A A B A B A C B A A
Beet Sugar Liquors A A B B A A A A A B A C A A A
Benzaldehyde A A A C A A B B D A A D D D A A
Benzene (Benzol) B B B B B B A A B D C D B D D A A A
Benzoic Acid B B D D B A B B A C A D B D C D A
Berryllium Sulfate B B B B A B B A B B B B A
Bleaching Powder wet B C B D A D D B B B A D A
Blood (Meat Juices) B B D A A A B B A B B B B A
Borax (Sodium Borate) C D C C A A A B A A A B D A
Bordeaux Mixture A A A A
Borax Liquors C A C C B A A B A A A D C A
Boric Acid B C D D B B B A B A B A B B D A A
Brake Fluid B B B B A B D B B D B C A
Brines, saturated C B D C B B B A A A A A B B C A
Bromine, dry C B D D D B A A D D D B D D D B A
Bunker Oils (Fuel) A B B B A A A B A A B A
Butadiene B C B B A A C B C A C B D C D
Butane A A B B A A B A B A D A A B A A
Butter A A B A D B A
Buttermilk A D D D A A D A A B A D A A
Butyl Acetate B B B B A B B D B D D D D A
Butylene A A A A A A A D A D D D D A A
Butyric Acid B C D D B B B A C A C C C C D A
Calcium Bisulfite C C D D B B D B A D D A B A A
Calcium Carbonate C C D D B B B B A A B A B A A A
Calcium Chlorate B D C B B B B D B B B B B A
Calcium Chloride C B C C B B B B A A A B A B A D A
Calcium Hydroxide D C C C B B A A A A A A B B A A
Calcium Nitrate B B B B C B B B A
Calcium Phosphate D C C B B B B B B B B A
Calcium Silicate D C C B B B A B B B B A
Calcium Sulfate B C C C B B B B B A A B A B A A
Caliche Liquor B A A B A B B A
Camphor C C C B C C B A B B B B A
Cane Sugar Liquors A B B A A B B A B B C B A
Carbonated Beverages B B D B B B B C B A B B D B A A
Carbonated Water A B B A A B A B A A A A D A A A
Carbon Bisulfide A C B B B B B D A D A D D A
Carbon Dioxide, Dry A A A B A A A A C A B B B B A A
Carbonic Acid A D D D B B A B B A B A B B A A
Carbon Monoxide A A B A A A A A B A B B C D A A
Carbon Tetrachloride, dry B C B C A A A A A D A D B D D A A A
Carbon Tetrachloride, wet D D D B B B B D B D B D D A A A
Casein C C C B B C B A B B B B A
Caster Oil A A B B A A A A A A B A B B A A
Caustic Potash A A B B D B B A
Caustic Soda D B B A A A C D B B B A
Cellulose Acetate B B B B B B D C B D D D A
China Wood Oil (Tung) A C C C A A A A A A D A B B A A
Chlorinated Solvents D C C C A A B D A D C D D A
Chlorinated Water C C D A D D B D A B A D B A
Chlorine Gas, dry B C B B B C A A A C D D B C D D A A
Chlorobenzene, dry B B B B A A B B D B D A D D A A
Chloroform, dry D B B C A B A A B D A D B D D B A
Chlorophyll, dry B B B B A B B B B B B A
Chlorosulfonic Acid, dry B C B B B B B A D D D D D D D A
Chrome Alum C C B C A A B B B B B B B D A
Chromic Acid < 50% C D D D C C B C B D D C C B D D A
Chromic Acid > 50% D D D C C D B D B D D C C B D D A
Chromium Sulfate B C D B C B B C B B B B A
Cider B A B A A D A
Citric Acid B C D D B C A B A B A B A A A B A A
Citrus Juices C B D D B A A A A A D A A
Coca-Cola Syrup A A B A B D B A
Coconut Oil B B C C B A B A A C A
Coffee A A D A A B A A A B
Coffee Extracts, hot A B C C A A A A D A
Coke Oven Gas A C B B A A B C D D B C D C A
Ratings: A-Excellent B-Good C-Poor D-Do not use Blank-No information
FNW provides this information from numerous sources without claim or warranty expressed or implied. FNW assumes no responsibility for errors within this information
regarding material compatibility. It is recommended that valve materials be tested in the service material for best consideration.
Chemical Compatibility

17-4PH Stainless Steel

Ductile Iron / Cast Iron

316 Stainless Steel

Buna N (Nitrile)
Carbon Steel

Hastelloy C

EPDM/EPR
Aluminum

Neoprene
Hypalon
Alloy 20

Grafoil

Teflon
Monel

Delrin
Brass

Nylon
Viton
Cooking Oil B B B B A A A A A D A C B A
Copper Acetate D D D D A A C B C D B D D C A
Coppper Carbonate D A A A A
Copper Cyanide D D D A A C A A B B B A A
Copper Nitrate D D D D B B D A A B A A A
Copper Sulfate D D D D B B B C A A A A A A A A A A
Corn Oil B B C C B B B A A C A C C A
Cottonseed Oil B B C C B B B A A C B C B A
Cresol B B D D D D D D A
Cresote Oil B B B B B B A B B C D D A D D A
Cresylic Acid C C C D B B B D D D B D D A
Crude Oil, sour B C B C A A B A A D A C B A
Crude Oil, sweet A B B B A A A A A A B A
Cupric Nitrate D A A D D A
Cutting Oils, Water/Emulsions A A B B A A A A A B A
Cyanide Plating Solution D D D B B D B D B B B B A
Cyclohexane A A A A A A B B C A D A D D A A
Cyclohexanone B B A A B B D A D A A
Detergents, synthetic B B B B A B B A B A B B A
Dextrin B B B B B B B A B B B B A
Dichloroethane C C B B D D D D A
Dichloroethyl Ether B B B B B D D D D D D A
Diesel Oil Fuels A A A A A A A A A D A D C A
Diethylamine B B A B A A B B A C D C C B A
Diethyl Benzene B B D C D D A
Diethylene Gycol B B A A A B A A A B B A A
Diethyl Sulfate B B B B B B C A C B D C A
Dimethyl Formamide B B B A A B B A D D D D A
Dimethyl Phthalate B C D B B A
Dioxane B B B B B B D C C D D D A A
Dipentane (Pinene) A A A A A B A D B D D A
Disodium Phosphate B B B C B A B B B A
Dowtherm A A B B A A A D A D A D D C A A
Drilling Mud B B B B A A B A A A A B C A
Dry Cleaning Fluids A C B B A A B D A B D A
Drying Oil C C C B B B B A A B A
Enamel A B A D B A
Epsom Salts (MgSo4) A B C C B B B A A A D A B A
Ethane A B C C B B B A A D A B A
Ethers A B A B A B A B D C C C D D A
Ethyl Acetate A C B C B A B B B D C C D D D A A
Ethyl Acrylate C B C C A A B A D B C D D D A A
Ethyl Benzene A A C A D D B A
Ethyl Bromide B A B B C B B A B B D B A
Ethyl Chloride, dry B B B B A A A B B C A C B D C A B
Ethyl Chloride, wet D C D D B B B B C A B B D C A A
Ethylene Chloride C A A B B D A D A A
Ethylene Dichloride B A B D C D D D D A A A
Ethylene Gylcol A B B B B A A B A A A A A B B A A
Ethylene Oxide C C B B B B B A D A D D D D D A
Ethyl Ether B B C A A A B D A D D D D A
Ethyl Silicate A B B B B B B A B B B C A
Ethyl Sulfate B B B A C A B A
Fatty Acids B C D D A A B A B A D A D B A A A
Ferric Hydroxide A A A B A A
Ferric Nitrate D D D D C B A D B A A A A B A A
Ferric Sulfate D D D D B B A D A A A A A A C A
Ferrous Ammonium Citrate B B B A A
Ferrous Chloride D B D D D D D D A A A A B A C A A
Ferrous Sulfate C B D D B B B B A A A A B A A A
Ferrous Sulfate, Saturated C C C C A A B B C A B B B C A
Fertilizer Solutions B C B B B B B B B A
Fish Oils C B B B A A A A A D A D B A
Flue Gases C B B A A B C C D C B C A
Fluoboric Acid B B A A D B B A
Fluorosilicic Acid D B D D B B A B C C C C C C A
Formaldehyde, cold A A A B A A A A B B A B D C C A A
Formaldehyde, hot B B D D C B B B B A B B A
Formic Acid, cold D B D D B B A B A D D B C B A A A
Formic Acid, hot D B D D B D B B B D D A A D A A
Freon Gas, dry B B B B A A A A B C A C C B C A A A
Freon 11, MF, 112, BF B B C A A B B C A C D B C A A
Freon 12, 13, 32, 114, 115 A A B A A B B B A A D B A A A
Freon 21, 31 B B C A A B B D A D D D A A
Ratings: A-Excellent B-Good C-Poor D-Do not use Blank-No information
FNW provides this information from numerous sources without claim or warranty expressed or implied. FNW assumes no responsibility for errors within this information
regarding material compatibility. It is recommended that valve materials be tested in the service material for best consideration.
 Chemical Compatibility

17-4PH Stainless Steel

Ductile Iron / Cast Iron

316 Stainless Steel

Buna N (Nitrile)
Carbon Steel

Hastelloy C

EPDM/EPR
Aluminum

Neoprene
Hypalon
Alloy 20

Grafoil

Teflon
Monel

Delrin
Brass

Nylon
Viton
Freon 22 A A B A B D A D D B A A
Freon 113, TF B B C A A B B B A C C C A A
Freon, wet D D D C B B B B B A B D B B D A A
Fruit Juices B B D D A A B A A A A C A A
Fuel Oil A B B B A A B A A D A C C A
Fumaric Acid A B A B A
Furfural A A A B A B A B B D A C D D C A
Gallic Acid 5% A C D D B B B B B A C A C B A A
Gas, Manufactured B B B B B B A A A A A A A
Gas, Natural B B B B A B A A A D A B A A A
Gas, Odorizers A A B B B A B B A A B A A
Gasoline, Aviation A A A B A A A A C A A D A A A
Gasoline, Leaded A A A A A A B A C A A B D A A A
Gasoline, Motor A A A B A A A A C A D A D D A A A
Gasoline, Refined A B B B A A B A C A D A D C A A A
Gasoline, Sour A B B B A A C A C A D A C D B A A
Gasoline, Unleaded A A A B A A A A C A A B D A A A
Gelatin A A D D A A B A A A A B A A A
Glucose A A B B A A A A A A A A B A A A
Glue A B A B B A B A A A B A B A A A
Glycerine (Glycerol) A B C B A A A A A C A A B A D A A
Glycol Amine C D B B A D A C D D C A
Gycol A B C B B A B B C A A B A A
Graphite B B C B A B B A B B B B A
Grease B C A A A A B A A D A D B A
Helium Gas B B B A A B A B A B B B B A
Heptane A A B B A A B A A A D A B B A
Hexane A B B B A A B A A A D A B C A A
Hexanol, Tertiary A A A A A A A A A A D B C C A A
Hydrolic Oil, Petroleum Base A B A B A A A A A D A B A
Hydrazine C D D B B D C D B D C C A
Hydrocyanic Acid A D D C A A C B B D B A B B A
Hydrofluoslicic Acid D A D D C B B B A B A B B A A
Hydrogen Gas, cold A B B B A A A B A B A B B A A
Hydrogen Gas, hot C B B A A B A B B A
Hydrogen Peroxide, Concentrated A D D D B B D D D D B B B D D A
Hydrogen Peroxide, Dilute A C D D B B D D A D B A B D A
Hydrogen Sulfide, Dry A C B B A B B B B C C A A B A D A A
Hydrogen Sulfide, Wet B D C D B B C D C C B A B B D A A
Hypo (Sodium Thiosulfate) B C D C B B B A A A A A A
Illuminating Gas A A A A A A A C A D A D C A
Ink-Newsprint C C D D A A B A A B A B B A A
Iodoform C C B C A A C A A A
Iso-Butane B B B A D D A
Iso-Octane A A A B A A A A A D A B C A
Isopropyl Acetate B A D A D D A A
Isopropyl Ether B A A B A A B A C A D D D C A A A
J P-4 Fuel A A A B A A A A A A A C A A
J P-5 Fuel A A A A A A A A B A A C A A
J P-6 Fuel A A A A A A A A A A A C A A
Kerosene A A B B A A A A A A D A D C A A A
Ketchup D D D D A A B A A A B A A
Ketones A A A A A A A D A D D D D A
Laquer (and Solvent) A A C C A A A D A D D D D A
Lactic Acid Concentrated cold C D D D A D A D A B D B A B A A A A
Lactic Acid Concentrated hot C D D D B D A D B C D B B B C A A
Lactic Acid Dilute cold A D D D A B A C A B D B A B A A
Lactic Acid Dilute hot B D D D A D A D B C D D D A A
Lactose B B C B B B B A B B B C A
Lard A B A A A B A C C A
Lard Oil B B C C B A B A A B A D B A
Lead Acetate D C D D B B B A A B B B A
Lead Sulfate D C D B B B B A B B B B A
Lecithin D C C B B B D A D B D D A
Linoleic Acid A B B B A A B B A D B D B A
Linseed Oil A B A A A A B A A D A B C A
Lithium Chloride D B B B A B B A B B B B A
LPG A A B B B B B A A D A D B A
Lubricating Oil Petroleum Base A B A A A A B A A D A C B A
Ludox D D B B B B B B B B B B A
Magnesium Bisulfate B B B B A A B B A B B B B A
Magnesium Bisulfide C D D B B B B A B B B B A
Magnesium Carbonate B B B A A B B A B B B B A
Magnesium Chloride D B C D B C B B A A A A A A A C A
Ratings: A-Excellent B-Good C-Poor D-Do not use Blank-No information
FNW provides this information from numerous sources without claim or warranty expressed or implied. FNW assumes no responsibility for errors within this information
regarding material compatibility. It is recommended that valve materials be tested in the service material for best consideration.
Chemical Compatibility

17-4PH Stainless Steel

Ductile Iron / Cast Iron

316 Stainless Steel

Buna N (Nitrile)
Carbon Steel

Hastelloy C

EPDM/EPR
Aluminum

Neoprene
Hypalon
Alloy 20

Grafoil

Teflon
Monel

Delrin
Brass

Nylon
Viton
Magnesium Hydroxide D B B B A A A B B A A A A A A D A
Magnesium Hydroxide Hot D D B B A A A A B B A A B B D A
Magnesium Nitrate B A A B B A B B A A
Magnesium Sulfate B B B B A A A B A A A A A A A A A
Maleic Acid B B B C B B B A B A D A D B A
Maleic Anhydride B B B B B B B D C D B D D A
Malic Acid B B D D B B B A A A A A
Malt Beverage A B A A A B A A A
Manganese Carbonate B B A B A A
Maganese Sulfate B B D A A B B A B B B B A A
Mayonnaise D D D D A A B A A A A A
Meat Juices B D A A B A B B A
Melamine Resins D C C B A D B A
Methanol B B B A A B B C D B D B A
Mercuric Chloride D D D D B B D B A A A A B B C A
Mercuric Cyanide D D D D A A C B A A A A B B A
Mercurous Nitrate D D A A D A B B A
Mercury D D A A A A B B A A A A B A A
Methane A A B B A A B A A A A B A
Methyl Acetate A A B B A A B A D B B D D D A A
Methyl Acetone A A A A A A A D B A D D D A A
Methylamine A D B B A A C B D A B D D D A A
Methy Bromide 100% C C D B A B B A D B D D
Methyl Cellosolve A A B B A A B B C A B D D D B A
Methyl Cellulose A A B D A D A
Methyl Chloride D B B B A A B D A D B D D A A
Methyl Ethyl Ketone A A A A A A A B D A B D D D A A A
Methylene Chloride C A B B A A B B D A D C D D A A
Methyl Formate C A C C B A B B D A B D B B A
Methyl Isobutyle Ketone A A D A D A A
Milk & Milk Products A B D D A A B A A A A B A A A
Mineral Oils A B B B A A A A A D A C B A
Mineral Spirits A B B B B B B A A A C A
Mixed Acids (cold) D D C C B B C D D D B D D C A
Molasses, crude B A A A A A A A A A B A A A
Molasses, Edible A A C C A A A A A A A A A
Molybdic Acid A A A A
Monochloro Benzene Dry B B B D C D A A
Morpholine B B B A A B D A B D D D A
Mustard B A B B A A A A A A A A
Naptha A B B B B B B A B A D A C C A A
Napthalene B B B B B B B B D A D A D D A A
Natural Gas, Sour B B B B A A D A A A D A D A A A
Nickel Ammonium Sulfate D D D D A A C A C B D B B A A
Nickel Chloride D D D D B A B A A D B A B A C A A
Nickel Nitrate C D D D B A B A C A A B A A
Nickel Sulfate D D D D B A B B A C B A B A A A A
Nicotinic Acid A A B C A A A D C D B D D A
Nitric Acid 10% D D D D A A A D C D A B D A A
Nitric Acid 30% D D D D A D A D C D B A D C D B A
Nitric Acid 80% B D D D C D B D D D B B D D D B A
Nitric Acid 100% B D D D A D A D D D D B C D D B A
Nitric Acid Anhydrous B D D C A D A D D D D A D D D B A
Nitorbenzene C D B B A A B B D B C C D D A A
Nitrogen A A A A A A A A A B A B A A
Nitrous Acid 10% D D D D B B D C B A A A
Nitrous Gases B D B C A A D B A
Nitrous Oxide C B B C B B D B B A A B A A
Oils & Fats B A A B A D A A
Oils, Animal A A A A A A B A A A B B C B A A
Oils , Petroleum Refined A B A A A A A A A A D A B B A A
Oils, Petroleum Sour A C B C A A A A B A D A B B A A
Oils, Water Mixture A A B B A A A A A A B A A
Olaic Acid B B B A D C C D A A
Oleic Acid B B C C B A B B B C D A D C A A A
Oleum B C B D B B C B D D D C B D D A
Oleum Spirits D D D D B D C D D A D D D A
Olive Oil B C B B A A A A A B A B B A A
Oxalic Acid C B D D B D B B C C B A B B D A A
Oxygen A A B B A A A A A B D A A A B D A
Ozone, Dry B B C C A A A A D C B B B D D A
Ozone, Wet B B C C A A A A D C B B B D D A
Paints & Solvents A A A A A A A D A D B D D A
Palmitic Acid B B C C B B B B A B A D B D A
Ratings: A-Excellent B-Good C-Poor D-Do not use Blank-No information
FNW provides this information from numerous sources without claim or warranty expressed or implied. FNW assumes no responsibility for errors within this information
regarding material compatibility. It is recommended that valve materials be tested in the service material for best consideration.
 Chemical Compatibility

17-4PH Stainless Steel

Ductile Iron / Cast Iron

316 Stainless Steel

Buna N (Nitrile)
Carbon Steel

Hastelloy C

EPDM/EPR
Aluminum

Neoprene
Hypalon
Alloy 20

Grafoil

Teflon
Monel

Delrin
Brass

Nylon
Viton
Palm Oil A B C C B A A B A D A D B A A
Paper Pulp D B B A A B B A B B B B A
Paraffin A A B B A A A A A A D A B C A A
Paraformaldehyde B B B B B B B B A D B A
Parldehyde B B B A D B A A
Pentane A A B B A A B A A D A B A
Perchlorethylene, dry B C B B A A B B D B D A D D A A
Petrolatum (Vaselien Petroleum Jelly) B B C C A A A A A B A
Phenol A B D D A B A A A D C D B D D D A
Phosphate Ester 10% D D A A A A A D A A A A
Phosphoric Acid 10% D D D D D B B D B D B A B A D A A
Phosphoric Acid 50% Cold D D D D B B B C B D B A B B D A A
Phosphoric Acid 50% Hot D D D D D D B C B D B A B B D A A
Phosphoric Acid 85% Cold D D B B A C B A C D B B C D A A
Phosphoric Acid 85% Hot D D C C B D B C D B C D A A
Phosphoric Anhydride A A A D B B D D A A
Phosphorous Trichloride D B C A A D D B B D D A A
Phthalic Acid B B C C B B A B C B A C A A
Phthalic Anhydride B B C C B B A A C A A C A A
Picric Acid C C D D B C B D B C D B B B A B A
Pineapple Juice A C C C A A A A A A D A A
Pine Oil B B B B A A B A A D A D D A
Pitch (Bitumen) A A C A D C A
Polysulfide Liquor D D B B A B B D B B B B A
Polyvinyl Acetate B B B B B B A B B C A
Polyvinyl Chloride B B B B B B A B B C A
Potassium Bicarbonate A A A B B A A
Potassium Bichromate A A A A B B B B A
Potassium Bisulfate B A A B B A A C B A
Potassium Bislfite C C D D B B D A A B A C A A
Potassium Bromide C C D D A C B B A A B A B A A
Potassium Carbonate D B B B B A B B A A B A B A A
Potassium Chlorate C B B B B B B C A A B A A A
Potassium Chloride D C C B B B A B B A A A A B A A A
Potassium Chromate B B B B B B B A B B B A A
Potassium Cyanide D D B B B B B B A A A A B A A
Potassium Dichromate A D C C B A B A A B A B A A
Potassium Ferricyanide B D C C A B B B A A B A A A
Potassium Ferrocyanide B B C C B B A A A A A A
Potassium Hydroxide Dilute Cold D D A A B B B A A D D B B B A*
Potassium Hydroxide to 70%, Cold D D B B B C B A B D B D B B B A*
Potassium Hydroxide Dilute Hot D D B B B C B A B D B A*
Potassium Hydroxide to 70%, Hot D D A B B D B A C D A A B A*
Potassium Iodide D D C C B B B C A A B A A A
Potassium Nitrate A B B B B B B B B A A B A B A A
Potassium Oxalate C A A A A
Potassium Permanganate B B B B B B B B B A A B A B A A
Potassium Phosphate D C C B B B B A A A A B A A A
Potassium Phosphate Di-basic B B A A A A B B A A B A A A A
Potassium Tri-basic D A A B B B B B B A A
Potassium Sulfate A B B C A A A B A A A A B A A A
Potassium Sulfide B B B B A A C A A A B B B B A A
Potassium Sulfite B B B B A A C B B A A B B B A A
Producer Gas B B B B B A B A A A D A B A
Propane Gas A A B B B A A B A A A D A B B A A
Propyl Bromide B B B B A B B A B B D B A
Propylene Glycol A B B B B B B A C B A B A A
Pyidine B B B A D D D D A
Pyrolgalic Acid B B B B B B A B A A A A A
Quench Oil A B B B A A A A A B B A
Quinine, Sulfate, dry A B A B A A
Resins & Rosins A A C C A B A A C A A C A A
Resorcinol B B A
Road Tar A A A A A A A B A D A D C A
Roof Pitch A A A A A A A B A A C A
Rosin Emulsion A B C C A A A D A B C A
R P-1 Fuel A A A A A A A B A A C A
Rubber Latex Emulsions A A B B A A A A A
Rubber Solvents A A A A A A A D C D C A
Salad Oil B B C C B A B A A B A B A A
Salicylic Acid C C D D A B B A A B A B A A
Salt (NaCl) B B C C B A A A A A A A
Salt Brine B B D B B B A A B B D D C A
Sauerkraut Brine B B C A
Ratings: A-Excellent B-Good C-Poor D-Do not use Blank-No information * Do not use reinforced or poly-fill, pure PTFE only
FNW provides this information from numerous sources without claim or warranty expressed or implied. FNW assumes no responsibility for errors within this information
regarding material compatibility. It is recommended that valve materials be tested in the service material for best consideration.
Chemical Compatibility

17-4PH Stainless Steel

Ductile Iron / Cast Iron

316 Stainless Steel

Buna N (Nitrile)
Carbon Steel

Hastelloy C

EPDM/EPR
Aluminum

Neoprene
Hypalon
Alloy 20

Grafoil

Teflon
Monel

Delrin
Brass

Nylon
Viton
Sea Water C C D D B B A A A A A C A C A
Sewage C C C D B A B B A B B B B C A
Shellac A A A B A A A A A A A
Silicone Fluids B B B B B B A B B B A
Silver Bromide D A C A B D A
Silver Cyanide D D D A A B B D B B B A
Silver Nitrate D D D D A A D C A A A B C A
Silver Plating Sol. B A A D B A
Soap Solutions (Stearates) C A A B A A A A A A A B B A
Sodium Acetate B B C C B B B B B A B A D B A A
Sodium Aluminate D B C C A B B B A A B A B A A A
Sodium Benzoate B B B B B A
Sodium Bicarbonate B B C C B A B A B A A B A A
Sodium Bichromate A B B D A B A
Sodium Bisulfate 10% D B D D A A B A D B A B A A A
Sodium Bisulfite 10% D B D D A B B B A D B A B A A A
Sodium Borate B B C C B B B A A B A B A A
Sodium Bromide 10% B B C D B B B A A B A A A
Sodium Cargonate (Soda Ash) D B B B A A B B A A B A B A A A
Sodium Chlorate C B C C B B C B A A B A B A B A
Sodium Chloride B B C C B A A B A A B A B A A A A
Sodium Chromate D C B B A B B A A B A A A
Sodium Citrate D B B A A
Sodium Cyanide D D B B A B A B A A B A B A A
Sodium Ferricyanide A A A B A A
Sodiulm Fluoride C C D D B B A B A A B A B A C A
Sodium Hydroxied 20% Cold D A A A A A B A A D B B B A C A A*
Sodium Hydroxide 20% Hot D A B B A C A A B D B C B B C A A*
Sodium Hydroxide 50% Cold D A A B A B A A A D B C B A C A A*
Sodium Hydroxide 50% Hot D A B B A C A B B D C B B C A A*
Sodium Hydroxide 70% Cold D A A A A B B A B D B C B C C A A*
Sodium Hydroxide 70% Hot D B B B A C B B D D B C B D C A A*
Sodium Hypochlorite (Bleach) D D D D D D C D A D A B A
Sodium Hyposulfite B B B B A A
Sodium Lactate D A A B A A
Sodium Metaphosphate A C B C B B B A A B B B A A
Sodium Metasilicate Cold B B C C A A A B A B B A A A
Sodium Metasilcate Hot B B D D A A A A A A
Sodium Nitrate A B B B A B A B B C A B A B B A A
Sodium Nitrite A B B C B C B A B D A A
Sodium Perborate B B B B B B B B B C A A A C B A
Sodium Peroxide C D C C B B B B B C A A A B B A
Sodium Phosphate D C C C B B B B B B B A A B C A A
Sodium Phosphate Di-basic D C C C B B B B A A A A A A A
Sodium Phosphate Tri-basic D C C C B B B B B A A A B A A
Sodium Polyphosphate B B B B B A B A
Sodium Salicylate A A A A
Sodium Silicate B B B B B B B A A B A B A D A
Sodium Silicate, hot C C C C B B B A B D A
Sodium Sulfate B B B B A B A A A A A A A A A
Sodium Sulfide C D B B B A B B A A B A B A A A
Sodium Sulfite B C A A A A B B A A B B B A D A
Sodium Tetraborate A A A A A B A A
Sodium Thiosulfate B C B C B A B B A A A A B A A A
Soybean Oil B B C C A A A A B B A D B A
Starch B B C C B A A A A C A B A A
Steam (212°F) A A A A A A A B D D B C B D A A
Stearic Acid A C C C B B B A A A B A B C A A A
Styrene A A A B A A B A D A D B D D A A
Sugar Liquids A A B B A A A A A B A D A A
Sugar, Syrup & Jam B B C A A A D B A
Sulfate, Black Liquor C C C C B A B B C C B C D B A
Sulfate, Green Liquor B C C C B A B B C A C D B A
Sulfate, White Liquor B C C C B B D C C D C D B A
Sulfur A D C C B A B D A B B B C C A
Sulfur Chlorides D B D D D A B D A C A B D A A
Sulfur Dioxide, dry A B B B A A B B A D A A A D D A A A
Sulfur Dioxide, wet C D A C B A B D D B B D A A
Sulfur Hexafluoride A B A A B A
Sulfur, Molten A D C B B A D B D D B B B C A
Sulfur Trioxide B B B B B B B D D B D D D A
Sulfur Trioxide, dry A B B B B B B B B D A B A D D A D A
Sulfuric Acid 0 to 77% C C D D C B B B D A B B D A A
Sulfuric Acid 100% D C C B A B A D D D C B B D D D A
Ratings: A-Excellent B-Good C-Poor D-Do not use Blank-No information * Do not use reinforced or poly-fill, pure PTFE only
FNW provides this information from numerous sources without claim or warranty expressed or implied. FNW assumes no responsibility for errors within this information
regarding material compatibility. It is recommended that valve materials be tested in the service material for best consideration.
 Chemical Compatibility

17-4PH Stainless Steel

Ductile Iron / Cast Iron

316 Stainless Steel

Buna N (Nitrile)
Carbon Steel

Hastelloy C

EPDM/EPR
Aluminum

Neoprene
Hypalon
Alloy 20

Grafoil

Teflon
Monel

Delrin
Brass

Nylon
Viton
Sulfurous Acid C D D D B B D B C C C A B C D A A
Tall Oil C B B B B B B A B A D A D B D A
Tannic Acid (Tannin) C B C C B B B B B B A B A B B A A
Tanning Liquors A B B B D D A
Tar & Tar Oils A A A A A A A A C A D A D D A
Tartaric Acid B B D D A A A B B C A B A B B A
Tetraethyl Lead B B C C B B A A A
Toluol (Toluene) A A A A A A A A D C D B D D A A
Tomato Juice A C C C A A B A A A D A A
Transformer Oil A B A B A A A A A A B A
Tributyl Phosphate A A A A A A A D A B D D D A A
Trichlorethylene A B B C B A B B A D A D B D D A A A
Trichloroacetic Acid D B D D B B A C D D D A
Triethanolamine B B B B A C A B B B A
Triethylamine B B B A B C B A
Trisodium Phosphate D B B A A A B B B A A
Tung Oil B B B B A A C A A A D A D B A
Turpentine B B B B B A B B A B A D A C D A A
Urea B B C C B B B A C A B D D B A
Uric Acid D A A A B A
Varnish A A C C A A A A C A D B D B A
Vegetable Oils A B B B A A B A A A D A B B A
Vinegar C B D D A A B A D B A D C D A
Vinyl Acetate B B B B B B A D A B B A A A
Water, Distilled A A D D A A A A A C A B A B B A
Water, Fresh A A C C A A A A A C A B A A B C A
Water, Acid Mine D D D D B B D C B A A D C A A
Waxes A A A A A A A A A A C A B B A
Whiskey & Wines D B D D A A A A B A A A C B A A
Xylene (Xylol), Dry A A B B A A A A D A D B D D A A A
Zinc Bromide D B D B B B A B A B B B B A
Zinc Hydrosulfite D C A B A A B A A A A A A A
Zinc Sulfate D B D D B A B A A A A A B A A A
Ratings: A-Excellent B-Good C-Poor D-Do not use Blank-No information
FNW provides this information from numerous sources without claim or warranty expressed or implied. FNW assumes no responsibility for errors within this information
regarding material compatibility. It is recommended that valve materials be tested in the service material for best consideration.

DOC: tech_ChemChart Ver. 3/2012

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