| | Aluminum | Bronze | Ductile Iron | Carbon Steel | 316 Stainless | Buna | Viton™ | Teflon™ | EPT | Neoprene | Nitrile | EPDM | Fluorosilicone | Delrin | Ryton |
| Abetic Acid | * | * | * | * | A | * | * | * | * | | * | * | | | A |
| Acetaldehyde | B | U | C | C | A | U | U | A | A | C | U | A | U | A | A |
| Acetamide | | | | | | A | | | A | B | A | A | A | * | |
| Acetates | A | A | B | B | A | U | U | A | A | | U | A | | | A |
| Acetic Acid, 30% | | | | | | B | | | A | A | B | A | B | | |
| Acetic Acid, 5% | | | | | | B | | | A | A | B | A | B | | |
| Acetic Acid, 50% | C | U | U | U | A | B | U | A | B | | B | B | | | A |
| Acetic Acid, Glacial | A | B | U | U | A | C | U | A | B | U | C | B | U | | A |
| Acetic Acid, Hot, High Press. | | | | | | U | | | C | U | U | C | U | | |
| Acetic Anhydride | B | C | U | U | B | U | U | A | B | A | U | B | U | | A |
| Acetone | B | A | A | A | B | U | U | A | A | B | U | A | U | B | A |
| Acetophenone | | | | | | U | | | A | U | U | A | U | | |
| Acetyl Acetone | | | | | | U | | | A | U | U | A | U | | |
| Acetyl Chloride | | | | | | U | | | U | U | U | U | A | | |
| Acetylene | | | | | | B | | | A | B | B | A | * | | |
| Acetylene Tetrabromide | | | | | | U | | | A | B | U | A | * | | |
| Acrylic Emulsions | B | B | C | C | A | A | A | A | * | | A | * | | | A |
| Acrylonitrile | B | A | C | A | A | U | C | A | U | C | U | U | U | * | A |
| Adipic Acid | | | | | | A | | | * | * | A | * | A | | |
| Aero Lubriplate | | | | | | A | | | U | A | A | U | A | | |
| Aero Shell 17 Grease | | | | | | A | | | U | B | A | U | A | | |
| Aero Shell 750 | | | | | | B | | | U | U | B | U | B | | |
| Aero Shell 7A Grease | | | | | | A | | | U | B | A | U | A | | |
| Aero Shell IAC | | | | | | A | | | U | B | A | U | A | | |
| Aerosafe 2300 | | | | | | U | | | A | U | U | A | C | | |
| Aerosafe 2300W | | | | | | U | | | A | U | U | A | C | | |
| Aerozene 50 (50% Hydrazine/50% UDMH | | | | | | C | | | A | U | C | A | U | | |
| Air - Above 300 degree F | | | | | | U | | | U | U | U | U | B | | |
| Air - Below 300 degree F | | | | | | B | | | B | B | B | B | A | | |
| Alcohols, Aliphatic | | | | | | | | | | | | | | A | |
| Aliphatic Solvents | A | A | A | A | A | U | A | A | A | | U | A | | | A |
| Alkazene | | | | | | U | | | U | U | U | U | B | | |
| Alkyd Resin | B | B | C | C | A | A | A | A | U | | A | U | | | A |
| Alkyl Benzene | B | B | A | A | A | U | A | A | U | | U | U | | | A |
| Allyl Alcohol | B | B | B | B | B | A | * | A | * | | A | * | | * | A |
| Allyl Chloride | U | B | B | B | B | A | * | A | * | | A | * | | * | A |
| Alum-NH3-Cr-K | | | | | | A | | | A | A | A | A | * | | |
| Aluminum Acetate | | | | | | B | | | A | B | B | A | U | | |
| Aluminum Bromide | | | | | | A | | | A | A | A | A | A | | |
| Aluminum Chloride | U | U | U | U | A | A | A | A | A | A | A | A | A | * | A |
| Aluminum Fluride | | | | | | A | | | A | A | A | A | A | | |
| Aluminum Nitrate | | | | | | A | | | A | A | A | A | * | | |
| Aluminum Phoshate | | | | | | A | | | A | A | A | A | * | | |
| Aluminum Salts | | | | | | A | | | A | A | A | A | A | | |
| Aluminum Sulphate | U | U | U | U | A | A | A | A | A | A | A | A | A | * | A |
| Ambrex 33 (Mobil) | | | | | | A | | | U | B | A | U | C | | |
| Amines-Mixed | C | U | B | B | A | U | U | A | B | B | U | B | U | | A |
|
| | | | | | U | | | B | B | U | B | U | * | |
| Ammonia, Liquid (Anhydrous) | B | U | B | A | A | B | U | A | A | A | B | A | U | U | A |
| Ammonium Carbonate | B | U | B | B | B | U | A | A | A | A | U | A | * | * | A |
| Ammonium Chloride | C | U | B | B | A | A | A | * | A | A | A | A | * | * | A |
| Ammonium Hydroxide. 28% | C | U | B | B | B | C | U | A | A | | C | A | | | A |
| Ammonium Hydroxide, 34% | C | U | B | B | B | U | U | A | A | | U | A | | | A |
| Ammonium Hydroxide, Concentrated | | | | | | U | | | A | A | U | A | B | | |
| Ammonium Nitrate | B | U | U | U | A | A | B | A | A | B | A | A | * | | A |
| Ammonium Nitrite | | | | | | A | | | A | A | A | A | * | | |
| Ammonium Persulfate 10% | | | | | | | | | A | A | | A | * | | |
| Ammonium Persulfate Solution | | | | | | U | | | A | A | U | A | * | | |
| Ammonium Phosphate | B | U | U | U | A | A | * | A | A | A | A | A | * | | A |
| Ammonium Phosphate, Dibasic | | | | | | A | | | A | A | A | A | * | | |
| Ammonium Phosphate, Mono-Basic | | | | | | A | | | A | A | A | A | * | | |
| Ammonium Phosphate, Tribasic | | | | | | A | | | A | A | A | A | * | | |
| Ammonium Salts | | | | | | A | | | A | A | A | A | C | | |
| Ammonium Sulfate | C | B | C | C | A | A | U | A | A | A | A | A | A | | A |
| Ammonium Sulfide | | | | | | A | | | A | A | A | A | * | | |
| Amyl Acetate | B | B | C | C | A | U | U | * | A | U | U | A | U | * | A |
| Amyl Alcohol | A | B | B | B | A | B | B | A | A | A | B | A | A | * | A |
| Amyl Borate | | | | | | A | | | U | A | A | U | * | | |
| Amyl Chloride | | | | | | * | | | U | U | * | U | B | | |
| Amyl Chloronaphthalene | | | | | | U | | | U | U | U | U | B | | |
| Amyl Naphthalene | | | | | | U | | | U | U | U | U | A | | |
| AN-O-3 Grade M | | | | | | A | | | U | B | A | U | A | | |
| AN-O-366 | | | | | | A | | | U | B | A | U | A | | |
| AN-O-6 | | | | | | A | | | U | B | A | U | A | | |
| AN-VV-O-366b Hydr. Fluid | | | | | | A | | | U | B | A | U | A | | |
| Anderol, L-774 (di-ester) | | | | | | B | | | U | U | B | U | B | | |
| Androl, L-826 (di-ester) | | | | | | B | | | U | U | B | U | B | | |
| Androl, L-829 (di-ester) | | | | | | B | | | U | U | B | U | B | | |
| Ang-25 (Di-ester Base) (TG749) | | | | | | B | | | U | U | B | U | B | | |
| Ang-25 (Glyceral Ester) | | | | | | B | | | A | B | B | A | B | | |
| Anhydrous Ammonia | | | | | | B | | | A | A | B | A | U | | |
| Anhydrous Hydrazine | | | | | | U | | | B | B | U | B | U | | |
| Anhydrous Hydrogen Fluoride | | | | | | U | | | A | * | U | A | U | | |
| Aniline | C | C | C | C | A | U | C | A | B | U | U | B | C | A | A |
| Aniline Dyes | | | | | | U | | | B | B | U | B | B | | |
| Aniline Hydrochloride | | | | | | B | | | B | U | B | B | B | | |
| Aniline Oil | | | | | | U | | | B | U | U | B | C | | |
| Animal Fats | | | | | | A | | | B | B | A | B | A | | |
| Animal Oil (Lard Oil) | | | | | | A | | | B | B | A | B | A | | |
| Anionic Detergents | A | A | A | A | A | A | A | A | U | | A | U | | | A |
| Ansul Ether | | | | | | C | | | C | U | C | C | C | | |
| Antimony Trichloride | U | U | U | U | U | * | * | A | * | * | * | * | | * | * |
| Aqua Regia | | | | | | U | | | C | U | U | C | C | | |
| Argon | | | | | | C | | | A | U | C | A | B | | |
| Aroclor, 1248 | | | | | | C | | | B | U | C | B | B | | |
| Aroclor, 1254 | | | | | | U | | | B | U | U | B | B | | |
| Aroclor, 1260 | | | | | | A | | | * | A | A | * | A | | |
| Aromatic Fuel-50% | | | | | | B | | | U | U | B | U | B | | |
| Arsenic Acid | | | | | | A | | | A | A | A | A | A | | |
| Arsenic Trichloride | | | | | | A | | | * | A | A | * | * | | |
| Askarel | | | | | | B | | | U | U | B | U | B | | |
| Asphalt | C | A | A | A | A | B | C | A | U | C | B | U | B | | * |
| ASTM Oil, No. 1 | | | | | | A | | | U | A | A | U | A | | |
| ASTM Oil, No. 2 | | | | | | A | | | U | B | A | U | A | | |
| ASTM Oil, No. 3 | | | | | | A | | | U | U | A | U | A | | |
| ASTM Oil, No. 4 | | | | | | B | | | U | U | B | U | B | | |
| ASTM Reference Fuel A | | | | | | A | | | U | B | A | U | A | | |
| ASTM Reference Fuel B | | | | | | A | | | U | U | A | U | A | | |
| ASTM Reference Fuel C | | | | | | B | | | U | U | B | U | B | | |
| ATL-857 | | | | | | B | | | U | U | B | U | B | | |
| Atlantic Dominion F | | | | | | A | | | U | B | A | U | A | | |
| Aurex 903R (Mobil) | | | | | | A | | | U | B | A | U | U | | |
| Automatic Transmission Fluid | | | | | | A | | | U | B | A | U | * | | |
| Automatic Brake Fluid | | | | | | C | | | A | B | C | A | U | | |