The table below indicates the approximate corrosion
resistance of selected elastomers to a range of common
chemicals. This is collated information from
various sources but is of limited quality. For
good quality information please consult reputable reference
texts and/or the links provided below the table
Key to Letters designating corrosion resistance
|
|
|
|
|
|
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Acetaldehyde
|
C
|
C
|
D
|
A
|
A
|
A
|
|
Acetamide
|
D
|
B
|
A
|
A
|
B
|
A
|
|
Acetate Solvent
|
C
|
D
|
C
|
A
|
C
|
A
|
|
Acetic Acid
|
B
|
C
|
C
|
A
|
C
|
A
|
|
Acetic Acid 20%
|
B
|
A
|
B
|
A
|
B
|
A
|
|
Acetic Acid 80%
|
C
|
C
|
C
|
A
|
B
|
A
|
|
Acetic Acid, Glacial
|
C
|
D
|
C
|
B
|
B
|
A
|
|
Acetic Anhydride
|
C
|
A
|
D
|
B
|
C
|
A
|
|
Acetone
|
C
|
C
|
D
|
A
|
D
|
A
|
|
Acetyl Bromide
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Acetyl Chloride (dry)
|
D
|
D
|
D
|
D
|
C
|
A
|
|
Acetylene
|
B
|
B
|
B
|
A
|
B
|
A
|
|
Acrylonitrile
|
B
|
C
|
D
|
D
|
D
|
N/A
|
|
Adipic Acid
|
A
|
C
|
C
|
A
|
N/A
|
N/A
|
|
Alcohols:Amyl
|
B
|
A
|
B
|
A
|
D
|
A
|
|
Alcohols:Benzyl
|
D
|
C
|
D
|
B
|
N/A
|
A
|
|
Alcohols:Butyl
|
A
|
A
|
C
|
A
|
B
|
N/A
|
|
Alcohols:Diacetone
|
D
|
D
|
D
|
A
|
D
|
B
|
|
Alcohols:Ethyl
|
A
|
A
|
C
|
A
|
B
|
A
|
|
Alcohols:Hexyl
|
A
|
A
|
A
|
C
|
B
|
N/A
|
|
Alcohols:Isobutyl
|
A
|
A
|
B
|
A
|
A
|
N/A
|
|
Alcohols:Isopropyl
|
A
|
B
|
B
|
A
|
A
|
N/A
|
|
Alcohols:Methyl
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Alcohols:Octyl
|
B
|
B
|
B
|
A
|
B
|
N/A
|
|
Alcohols:Propyl
|
A
|
A
|
A
|
A
|
A
|
N/A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Aluminum Chloride
|
A
|
A
|
A
|
A
|
B
|
A
|
|
Aluminum Chloride 20%
|
A
|
A
|
A
|
A
|
B
|
A
|
|
Aluminum Fluoride
|
B
|
A
|
A
|
A
|
B
|
N/A
|
|
Aluminum Hydroxide
|
D
|
A
|
A
|
A
|
N/A
|
A
|
|
Aluminum Nitrate
|
A
|
A
|
A
|
A
|
B
|
A
|
|
Aluminum Potassium Sulfate 10%
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Aluminum Potassium Sulfate 100%
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Aluminum Sulfate
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Alums
|
A
|
B
|
A
|
A
|
A
|
N/A
|
|
Amines
|
B
|
B
|
D
|
B
|
B
|
A
|
|
Ammonia 10%
|
D
|
A
|
A
|
A
|
N/A
|
A
|
|
Ammonia Nitrate
|
N/A
|
C
|
C
|
A
|
N/A
|
N/A
|
|
Ammonia, anhydrous
|
D
|
A
|
B
|
A
|
C
|
A
|
|
Ammonia, liquid
|
D
|
A
|
C
|
A
|
N/A
|
A
|
|
Ammonium Acetate
|
N/A
|
A
|
B
|
A
|
N/A
|
N/A
|
|
Ammonium Bifluoride
|
N/A
|
D
|
B
|
A
|
N/A
|
N/A
|
|
Ammonium Carbonate
|
A
|
A
|
B
|
A
|
C
|
N/A
|
|
Ammonium Caseinate
|
N/A
|
A
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Ammonium Chloride
|
A
|
B
|
B
|
A
|
C
|
A
|
|
Ammonium Hydroxide
|
D
|
A
|
D
|
A
|
A
|
A
|
|
Ammonium Nitrate
|
C
|
B
|
A
|
A
|
C
|
A
|
|
Ammonium Oxalate
|
N/A
|
A
|
D
|
A
|
N/A
|
N/A
|
|
Ammonium Persulfate
|
A
|
A
|
A
|
B
|
D
|
A
|
|
Ammonium Phosphate, Dibasic
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Ammonium Phosphate, Monobasic
|
A
|
A
|
A
|
A
|
A
|
N/A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Ammonium Phosphate, Tribasic
|
A
|
A
|
A
|
A
|
A
|
N/A
|
|
Ammonium Sulfate
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Ammonium Sulfite
|
A
|
A
|
A
|
A
|
N/A
|
A
|
|
Ammonium Thiosulfate
|
N/A
|
A
|
A
|
A
|
N/A
|
N/A
|
|
Amyl Acetate
|
D
|
D
|
D
|
A
|
D
|
A
|
|
Amyl Alcohol
|
B
|
A
|
B
|
A
|
D
|
A
|
|
Amyl Chloride
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Aniline
|
D
|
D
|
D
|
B
|
B
|
A
|
|
Aniline Hydrochloride
|
A
|
D
|
D
|
B
|
D
|
N/A
|
|
Antifreeze
|
A
|
C
|
A
|
A
|
C
|
N/A
|
|
Antimony Trichloride
|
N/A
|
N/A
|
B
|
B
|
N/A
|
A
|
|
Aqua Regia (80% HCl, 20% HNO3)
|
D
|
D
|
D
|
C
|
D
|
A
|
|
Arochlor 1248
|
D
|
D
|
C
|
B
|
B
|
A
|
|
Aromatic Hydrocarbons
|
D
|
D
|
D
|
D
|
D
|
N/A
|
|
Arsenic Acid
|
B
|
A
|
A
|
A
|
A
|
N/A
|
|
Arsenic Salts
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Asphalt
|
D
|
D
|
B
|
D
|
D
|
A
|
|
Barium Carbonate
|
N/A
|
N/A
|
A
|
A
|
N/A
|
A
|
|
Barium Chloride
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Barium Cyanide
|
N/A
|
C
|
C
|
A
|
N/A
|
N/A
|
|
Barium Hydroxide
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Barium Nitrate
|
N/A
|
A
|
A
|
A
|
B
|
A
|
|
Barium Sulfate
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Barium Sulfide
|
A
|
A
|
A
|
A
|
A
|
N/A
|
|
Beer
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Beet Sugar Liquids
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Benzaldehyde
|
D
|
D
|
D
|
A
|
D
|
A
|
|
Benzene
|
D
|
D
|
D
|
D
|
D
|
B
|
|
Benzene Sulfonic Acid
|
A
|
A
|
D
|
D
|
D
|
N/A
|
|
Benzoic Acid
|
D
|
B
|
D
|
D
|
B
|
A
|
|
Benzol
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Benzonitrile
|
N/A
|
N/A
|
N/A
|
N/A
|
A
|
A
|
|
Benzyl Chloride
|
D
|
D
|
D
|
D
|
D
|
N/A
|
|
Bleaching Liquors
|
D
|
D
|
D
|
A
|
B
|
N/A
|
|
Borax (Sodium Borate)
|
A
|
A
|
B
|
A
|
B
|
A
|
|
Boric Acid
|
A
|
D
|
A
|
A
|
A
|
A
|
|
Brewery Slop
|
N/A
|
A
|
A
|
N/A
|
N/A
|
N/A
|
|
Bromine
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Butadiene
|
D
|
B
|
D
|
C
|
D
|
A
|
|
Butane
|
D
|
A
|
A
|
D
|
D
|
A
|
|
Butanol (Butyl Alcohol)
|
A
|
A
|
A
|
A
|
B
|
A
|
|
Butter
|
D
|
B
|
A
|
A
|
B
|
N/A
|
|
Buttermilk
|
D
|
D
|
A
|
A
|
A
|
A
|
|
Butyl Amine
|
D
|
D
|
N/A
|
N/A
|
B
|
D
|
|
Butyl Ether
|
D
|
D
|
B
|
D
|
D
|
A
|
|
Butyl Phthalate
|
D
|
D
|
D
|
B
|
A
|
A
|
|
Butylacetate
|
D
|
D
|
D
|
B
|
D
|
A
|
|
Butylene
|
D
|
D
|
A
|
D
|
D
|
B
|
|
Butyric Acid
|
D
|
D
|
D
|
B
|
D
|
A
|
|
Calcium Bisulfate
|
A
|
A
|
A
|
A
|
C
|
N/A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Calcium Bisulfide
|
D
|
A
|
A
|
C
|
C
|
A
|
|
Calcium Bisulfite
|
D
|
A
|
A
|
D
|
A
|
A
|
|
Calcium Carbonate
|
A
|
A
|
A
|
A
|
A
|
N/A
|
|
Calcium Chlorate
|
A
|
N/A
|
A
|
A
|
N/A
|
N/A
|
|
Calcium Chloride
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Calcium Hydroxide
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Calcium Hypochlorite
|
D
|
D
|
C
|
B
|
B
|
B
|
|
Calcium Nitrate
|
A
|
A
|
A
|
A
|
B
|
A
|
|
Calcium Oxide
|
B
|
A
|
A
|
A
|
A
|
N/A
|
|
Calcium Sulfate
|
B
|
B
|
A
|
A
|
N/A
|
A
|
|
Calgon
|
A
|
A
|
A
|
A
|
A
|
N/A
|
|
Cane Juice
|
A
|
A
|
A
|
A
|
A
|
N/A
|
|
Carbolic Acid (Phenol)
|
D
|
D
|
D
|
B
|
D
|
B
|
|
Carbon Bisulfide
|
D
|
D
|
C
|
D
|
N/A
|
N/A
|
|
Carbon Dioxide (dry)
|
B
|
B
|
A
|
B
|
B
|
A
|
|
Carbon Dioxide (wet)
|
B
|
B
|
A
|
B
|
B
|
A
|
|
Carbon Disulfide
|
D
|
D
|
D
|
D
|
N/A
|
A
|
|
Carbon Monoxide
|
D
|
B
|
A
|
A
|
A
|
A
|
|
Carbon Tetrachloride
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Carbon Tetrachloride (dry)
|
D
|
D
|
C
|
B
|
D
|
D
|
|
Carbon Tetrachloride (wet)
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Carbonated Water
|
N/A
|
A
|
A
|
N/A
|
N/A
|
N/A
|
|
Carbonic Acid
|
C
|
D
|
D
|
B
|
A
|
A
|
|
Catsup
|
N/A
|
A
|
A
|
A
|
N/A
|
N/A
|
|
Chloric Acid
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Chlorinated Glue
|
N/A
|
D
|
B
|
B
|
N/A
|
N/A
|
|
Chlorine (dry)
|
D
|
C
|
B
|
A
|
D
|
D
|
|
Chlorine Water
|
C
|
D
|
D
|
C
|
D
|
A
|
|
Chlorine, Anhydrous Liquid
|
C
|
D
|
D
|
B
|
D
|
B
|
|
Chloroacetic Acid
|
D
|
D
|
D
|
B
|
D
|
A
|
|
Chlorobenzene (Mono)
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Chlorobromomethane
|
D
|
D
|
D
|
B
|
D
|
N/A
|
|
Chloroform
|
D
|
D
|
D
|
D
|
D
|
B
|
|
Chlorosulfonic Acid
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Chocolate Syrup
|
D
|
A
|
A
|
A
|
N/A
|
N/A
|
|
Chromic Acid 10%
|
D
|
D
|
D
|
C
|
C
|
A
|
|
Chromic Acid 30%
|
D
|
D
|
D
|
B
|
C
|
A
|
|
Chromic Acid 5%
|
B
|
D
|
D
|
A
|
C
|
A
|
|
Chromic Acid 50%
|
D
|
D
|
D
|
B
|
C
|
A
|
|
Chromium Salts
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Cider
|
N/A
|
A
|
A
|
A
|
B
|
N/A
|
|
Citric Acid
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Citric Oils
|
N/A
|
D
|
A
|
B
|
N/A
|
N/A
|
|
Cloroxr (Bleach)
|
D
|
B
|
D
|
B
|
N/A
|
D
|
|
Coffee
|
A
|
A
|
A
|
A
|
A
|
N/A
|
|
Copper Chloride
|
C
|
A
|
A
|
A
|
A
|
A
|
|
Copper Cyanide
|
A
|
A
|
A
|
A
|
A
|
N/A
|
|
Copper Fluoborate
|
N/A
|
A
|
B
|
N/A
|
N/A
|
N/A
|
|
Copper Nitrate
|
C
|
A
|
A
|
N/A
|
N/A
|
A
|
|
Copper Sulfate >5%
|
C
|
A
|
A
|
A
|
A
|
A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Copper Sulfate 5%
|
C
|
A
|
A
|
A
|
A
|
A
|
|
Cream
|
N/A
|
D
|
A
|
N/A
|
N/A
|
N/A
|
|
Cresols
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Cresylic Acid
|
D
|
D
|
D
|
D
|
D
|
N/A
|
|
Cupric Acid
|
B
|
A
|
B
|
A
|
A
|
A
|
|
Cyanic Acid
|
N/A
|
C
|
C
|
N/A
|
A
|
N/A
|
|
Cyclohexane
|
D
|
D
|
B
|
D
|
D
|
A
|
|
Cyclohexanone
|
D
|
D
|
D
|
B
|
D
|
A
|
|
Detergents
|
B
|
B
|
A
|
A
|
A
|
A
|
|
Diacetone Alcohol
|
N/A
|
D
|
D
|
A
|
D
|
B
|
|
Dichlorobenzene
|
D
|
D
|
D
|
D
|
D
|
N/A
|
|
Dichloroethane
|
D
|
D
|
D
|
N/A
|
N/A
|
A
|
|
Diesel Fuel
|
D
|
B
|
A
|
D
|
D
|
A
|
|
Diethyl Ether
|
D
|
D
|
D
|
D
|
D
|
C
|
|
Diethylamine
|
A
|
A
|
C
|
B
|
B
|
A
|
|
Diethylene Glycol
|
A
|
A
|
A
|
A
|
B
|
N/A
|
|
Dimethyl Aniline
|
D
|
D
|
D
|
B
|
D
|
A
|
|
Dimethyl Formamide
|
C
|
D
|
D
|
B
|
C
|
A
|
|
Diphenyl
|
D
|
B
|
D
|
D
|
D
|
B
|
|
Diphenyl Oxide
|
D
|
D
|
A
|
D
|
C
|
N/A
|
|
Dyes
|
N/A
|
C
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Epsom Salts (Magnesium Sulfate)
|
B
|
A
|
A
|
A
|
A
|
A
|
|
Ethane
|
D
|
B
|
A
|
D
|
D
|
N/A
|
|
Ethanol
|
A
|
A
|
C
|
A
|
B
|
A
|
|
Ethanolamine
|
B
|
B
|
B
|
B
|
B
|
D
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Ether
|
D
|
D
|
D
|
C
|
D
|
B
|
|
Ethyl Acetate
|
C
|
D
|
D
|
B
|
B
|
A
|
|
Ethyl Benzoate
|
D
|
D
|
D
|
N/A
|
D
|
N/A
|
|
Ethyl Chloride
|
B
|
C
|
A
|
A
|
D
|
B
|
|
Ethyl Ether
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Ethyl Sulfate
|
N/A
|
N/A
|
A
|
N/A
|
N/A
|
A
|
|
Ethylene Bromide
|
C
|
C
|
D
|
C
|
D
|
B
|
|
Ethylene Chloride
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Ethylene Chlorohydrin
|
C
|
A
|
D
|
B
|
C
|
N/A
|
|
Ethylene Diamine
|
B
|
B
|
A
|
A
|
A
|
D
|
|
Ethylene Dichloride
|
D
|
D
|
D
|
C
|
D
|
A
|
|
Ethylene Glycol
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Ethylene Oxide
|
D
|
D
|
D
|
C
|
D
|
A
|
|
Fatty Acids
|
C
|
C
|
B
|
D
|
C
|
A
|
|
Ferric Chloride
|
A
|
B
|
A
|
A
|
B
|
A
|
|
Ferric Nitrate
|
A
|
A
|
A
|
A
|
C
|
A
|
|
Ferric Sulfate
|
A
|
A
|
A
|
A
|
B
|
A
|
|
Ferrous Chloride
|
A
|
A
|
A
|
N/A
|
N/A
|
B
|
|
Ferrous Sulfate
|
B
|
N/A
|
A
|
A
|
N/A
|
A
|
|
Fluoboric Acid
|
A
|
A
|
A
|
A
|
N/A
|
B
|
|
Fluorine
|
C
|
N/A
|
D
|
A
|
D
|
A
|
|
Fluosilicic Acid
|
A
|
A
|
A
|
A
|
N/A
|
C
|
|
Formaldehyde 100%
|
C
|
C
|
C
|
A
|
B
|
A
|
|
Formaldehyde 40%
|
B
|
B
|
B
|
A
|
N/A
|
A
|
|
Formic Acid
|
C
|
A
|
C
|
A
|
B
|
A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Freon 113
|
D
|
C
|
A
|
D
|
D
|
N/A
|
|
Freon 12
|
C
|
A
|
A
|
B
|
D
|
C
|
|
Freon 22
|
D
|
A
|
D
|
A
|
D
|
A
|
|
Freon TF
|
D
|
A
|
A
|
D
|
D
|
N/A
|
|
Freonr 11
|
D
|
D
|
B
|
D
|
D
|
A
|
|
Fruit Juice
|
D
|
A
|
A
|
N/A
|
N/A
|
A
|
|
Fuel Oils
|
D
|
B
|
A
|
D
|
D
|
A
|
|
Furan Resin
|
D
|
D
|
D
|
C
|
D
|
A
|
|
Furfural
|
D
|
D
|
D
|
D
|
D
|
D
|
|
Gallic Acid
|
A
|
B
|
B
|
B
|
D
|
A
|
|
Gasoline (high-aromatic)
|
D
|
A
|
A
|
D
|
D
|
A
|
|
Gasoline, leaded, ref.
|
D
|
B
|
A
|
D
|
D
|
A
|
|
Gasoline, unleaded
|
D
|
B
|
A
|
D
|
D
|
A
|
|
Gelatin
|
A
|
A
|
A
|
A
|
A
|
N/A
|
|
Glucose
|
A
|
A
|
A
|
A
|
A
|
N/A
|
|
Glue, P.V.A.
|
A
|
A
|
A
|
A
|
A
|
N/A
|
|
Glycerin
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Glycolic Acid
|
D
|
A
|
A
|
A
|
A
|
B
|
|
Gold Monocyanide
|
N/A
|
A
|
A
|
N/A
|
N/A
|
N/A
|
|
Grape Juice
|
D
|
D
|
A
|
A
|
A
|
N/A
|
|
Grease
|
D
|
D
|
A
|
D
|
D
|
N/A
|
|
Heptane
|
D
|
B
|
A
|
D
|
D
|
A
|
|
Hexane
|
D
|
B
|
A
|
D
|
D
|
A
|
|
Honey
|
A
|
N/A
|
A
|
A
|
A
|
N/A
|
|
Hydraulic Oil (Petro)
|
D
|
A
|
A
|
D
|
B
|
N/A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Hydraulic Oil (Synthetic)
|
D
|
A
|
D
|
A
|
B
|
N/A
|
|
Hydrazine
|
C
|
B
|
B
|
A
|
B
|
N/A
|
|
Hydrobromic Acid 100%
|
A
|
D
|
D
|
A
|
D
|
A
|
|
Hydrobromic Acid 20%
|
A
|
D
|
D
|
A
|
D
|
A
|
|
Hydrochloric Acid 100%
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Hydrochloric Acid 20%
|
A
|
C
|
N/A
|
A
|
D
|
A
|
|
Hydrochloric Acid 37%
|
A
|
B
|
B
|
C
|
B
|
A
|
|
Hydrochloric Acid, Dry Gas
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
A
|
|
Hydrocyanic Acid
|
B
|
B
|
B
|
B
|
C
|
N/A
|
|
Hydrocyanic Acid (Gas 10%)
|
B
|
A
|
B
|
A
|
D
|
N/A
|
|
Hydrofluoric Acid 100%
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Hydrofluoric Acid 20%
|
B
|
B
|
D
|
D
|
D
|
B
|
|
Hydrofluoric Acid 50%
|
B
|
D
|
D
|
D
|
D
|
B
|
|
Hydrofluoric Acid 75%
|
D
|
D
|
D
|
C
|
D
|
B
|
|
Hydrofluosilicic Acid 100%
|
A
|
B
|
B
|
A
|
D
|
B
|
|
Hydrofluosilicic Acid 20%
|
A
|
B
|
A
|
A
|
D
|
A
|
|
Hydrogen Gas
|
B
|
A
|
A
|
A
|
C
|
B
|
|
Hydrogen Peroxide 10%
|
B
|
D
|
D
|
A
|
A
|
A
|
|
Hydrogen Peroxide 100%
|
C
|
D
|
D
|
D
|
B
|
B
|
|
Hydrogen Peroxide 30%
|
C
|
D
|
D
|
B
|
B
|
B
|
|
Hydrogen Peroxide 50%
|
C
|
D
|
D
|
B
|
B
|
A
|
|
Hydrogen Sulfide (aqua)
|
C
|
A
|
D
|
B
|
C
|
A
|
|
Hydrogen Sulfide (dry)
|
C
|
A
|
D
|
B
|
C
|
B
|
|
Hydroquinone
|
A
|
A
|
D
|
D
|
N/A
|
N/A
|
|
Hydroxyacetic Acid 70%
|
N/A
|
A
|
A
|
A
|
N/A
|
N/A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Ink
|
D
|
A
|
A
|
N/A
|
N/A
|
N/A
|
|
Iodine
|
D
|
D
|
B
|
B
|
N/A
|
A
|
|
Iodine (in alcohol)
|
N/A
|
N/A
|
N/A
|
A
|
N/A
|
N/A
|
|
Iodoform
|
B
|
A
|
D
|
A
|
N/A
|
N/A
|
|
Isooctane
|
A
|
B
|
A
|
D
|
D
|
A
|
|
Isopropyl Acetate
|
D
|
D
|
D
|
B
|
D
|
N/A
|
|
Isopropyl Ether
|
A
|
D
|
B
|
D
|
D
|
A
|
|
Isotane
|
N/A
|
D
|
A
|
N/A
|
N/A
|
N/A
|
|
Jet Fuel (JP3, JP4, JP5)
|
D
|
D
|
A
|
D
|
D
|
A
|
|
Kerosene
|
D
|
A
|
A
|
D
|
D
|
A
|
|
Ketones
|
A
|
D
|
D
|
A
|
N/A
|
B
|
|
Lacquer Thinners
|
D
|
D
|
D
|
D
|
D
|
N/A
|
|
Lacquers
|
D
|
D
|
D
|
D
|
D
|
N/A
|
|
Lactic Acid
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Lard
|
D
|
D
|
A
|
D
|
B
|
N/A
|
|
Latex
|
N/A
|
N/A
|
A
|
A
|
A
|
N/A
|
|
Lead Acetate
|
A
|
A
|
B
|
A
|
A
|
A
|
|
Lead Nitrate
|
A
|
A
|
A
|
A
|
B
|
N/A
|
|
Lead Sulfamate
|
B
|
A
|
B
|
A
|
B
|
N/A
|
|
Ligroin
|
D
|
B
|
A
|
D
|
D
|
N/A
|
|
Lime
|
N/A
|
A
|
A
|
D
|
N/A
|
N/A
|
|
Linoleic Acid
|
D
|
N/A
|
B
|
D
|
B
|
N/A
|
|
Lithium Chloride
|
B
|
A
|
A
|
A
|
A
|
N/A
|
|
Lithium Hydroxide
|
N/A
|
N/A
|
C
|
N/A
|
N/A
|
N/A
|
|
Lubricants
|
D
|
D
|
A
|
D
|
D
|
N/A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Lye: Ca(OH)2 Calcium Hydroxide
|
B
|
A
|
A
|
A
|
A
|
A
|
|
Lye: KOH Potassium Hydroxide
|
B
|
B
|
B
|
A
|
C
|
B
|
|
Lye: NaOH Sodium Hydroxide
|
A
|
B
|
A
|
B
|
A
|
B
|
|
Magnesium Bisulfate
|
B
|
B
|
B
|
N/A
|
N/A
|
N/A
|
|
Magnesium Carbonate
|
N/A
|
A
|
A
|
A
|
N/A
|
N/A
|
|
Magnesium Chloride
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Magnesium Hydroxide
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Magnesium Nitrate
|
A
|
A
|
A
|
A
|
N/A
|
N/A
|
|
Magnesium Oxide
|
N/A
|
A
|
A
|
N/A
|
N/A
|
N/A
|
|
Magnesium Sulfate (Epsom Salts)
|
B
|
A
|
A
|
A
|
A
|
A
|
|
Maleic Acid
|
B
|
D
|
D
|
D
|
N/A
|
N/A
|
|
Maleic Anhydride
|
D
|
D
|
D
|
D
|
N/A
|
N/A
|
|
Malic Acid
|
B
|
D
|
A
|
D
|
B
|
N/A
|
|
Manganese Sulfate
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Mash
|
N/A
|
A
|
A
|
A
|
N/A
|
N/A
|
|
Mayonnaise
|
D
|
A
|
C
|
N/A
|
N/A
|
N/A
|
|
Melamine
|
N/A
|
D
|
C
|
A
|
C
|
N/A
|
|
Mercuric Chloride (dilute)
|
A
|
A
|
A
|
A
|
N/A
|
A
|
|
Mercuric Cyanide
|
N/A
|
A
|
A
|
A
|
A
|
D
|
|
Mercurous Nitrate
|
B
|
B
|
B
|
A
|
N/A
|
N/A
|
|
Mercury
|
A
|
A
|
A
|
A
|
N/A
|
A
|
|
Methane
|
D
|
B
|
A
|
D
|
D
|
N/A
|
|
Methanol (Methyl Alcohol)
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Methyl Acetate
|
D
|
B
|
D
|
B
|
D
|
A
|
|
Methyl Acetone
|
A
|
D
|
D
|
A
|
N/A
|
N/A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Methyl Acrylate
|
D
|
B
|
D
|
B
|
D
|
N/A
|
|
Methyl Alcohol 10%
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Methyl Bromide
|
D
|
D
|
B
|
D
|
N/A
|
N/A
|
|
Methyl Butyl Ketone
|
D
|
D
|
D
|
A
|
D
|
N/A
|
|
Methyl Cellosolve
|
D
|
B
|
A
|
B
|
D
|
N/A
|
|
Methyl Chloride
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Methyl Dichloride
|
N/A
|
N/A
|
D
|
D
|
N/A
|
N/A
|
|
Methyl Ethyl Ketone
|
D
|
D
|
D
|
A
|
D
|
A
|
|
Methyl Ethyl Ketone Peroxide
|
D
|
D
|
D
|
D
|
B
|
N/A
|
|
Methyl Isobutyl Ketone
|
D
|
D
|
D
|
B
|
D
|
A
|
|
Methyl Isopropyl Ketone
|
D
|
D
|
D
|
C
|
C
|
N/A
|
|
Methyl Methacrylate
|
D
|
D
|
D
|
D
|
C
|
N/A
|
|
Methylamine
|
B
|
N/A
|
B
|
A
|
N/A
|
A
|
|
Methylene Chloride
|
B
|
N/A
|
D
|
C
|
N/A
|
A
|
|
Milk
|
A
|
A
|
A
|
A
|
A
|
A
|
|
Mineral Spirits
|
D
|
C
|
A
|
D
|
D
|
A
|
|
Molasses
|
A
|
A
|
A
|
A
|
N/A
|
A
|
|
Monochloroacetic acid
|
N/A
|
A
|
D
|
C
|
N/A
|
B
|
|
Monoethanolamine
|
B
|
D
|
B
|
B
|
B
|
N/A
|
|
Morpholine
|
A
|
D
|
D
|
D
|
N/A
|
N/A
|
|
Motor oil
|
N/A
|
B
|
A
|
D
|
N/A
|
A
|
|
Mustard
|
B
|
A
|
B
|
A
|
N/A
|
N/A
|
|
Naphtha
|
D
|
D
|
A
|
D
|
D
|
A
|
|
Naphthalene
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Natural Gas
|
N/A
|
A
|
A
|
D
|
A
|
N/A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Nickel Chloride
|
A
|
B
|
A
|
A
|
A
|
A
|
|
Nickel Nitrate
|
A
|
A
|
A
|
A
|
N/A
|
A
|
|
Nickel Sulfate
|
B
|
A
|
A
|
A
|
A
|
A
|
|
Nitrating Acid (<15% HNO3)
|
C
|
A
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Nitrating Acid (>15% H2SO4)
|
C
|
A
|
D
|
A
|
N/A
|
N/A
|
|
Nitrating Acid (S1% Acid)
|
C
|
A
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Nitrating Acid (S15% H2SO4)
|
C
|
A
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Nitric Acid (20%)
|
D
|
D
|
D
|
A
|
D
|
A
|
|
Nitric Acid (50%)
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Nitric Acid (5-10%)
|
D
|
B
|
D
|
A
|
C
|
A
|
|
Nitric Acid (Concentrated)
|
D
|
D
|
D
|
D
|
D
|
A
|
|
Nitrobenzene
|
D
|
D
|
D
|
B
|
D
|
A
|
|
Nitrogen Fertilizer
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Nitromethane
|
B
|
D
|
D
|
B
|
D
|
A
|
|
Nitrous Acid
|
C
|
D
|
N/A
|
A
|
N/A
|
B
|
|
Nitrous Oxide
|
A
|
A
|
N/A
|
A
|
N/A
|
N/A
|
|
Oils:Aniline
|
D
|
D
|
D
|
B
|
D
|
N/A
|
|
Oils:Anise
|
N/A
|
D
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Oils:Bay
|
N/A
|
D
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Oils:Bone
|
N/A
|
D
|
A
|
N/A
|
N/A
|
N/A
|
|
Oils:Castor
|
A
|
A
|
B
|
B
|
A
|
N/A
|
|
Oils:Cinnamon
|
N/A
|
C
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Oils:Citric
|
N/A
|
D
|
D
|
B
|
N/A
|
N/A
|
|
Oils:Clove
|
N/A
|
C
|
A
|
N/A
|
N/A
|
N/A
|
|
Oils:Coconut
|
D
|
C
|
A
|
D
|
A
|
N/A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Oils:Cod Liver
|
D
|
B
|
A
|
A
|
B
|
N/A
|
|
Oils:Corn
|
D
|
A
|
D
|
C
|
A
|
N/A
|
|
Oils:Cottonseed
|
D
|
C
|
A
|
D
|
A
|
A
|
|
Oils:Creosote
|
D
|
C
|
D
|
D
|
D
|
A
|
|
Oils:Diesel Fuel (20, 30, 40, 50)
|
D
|
B
|
A
|
D
|
D
|
A
|
|
Oils:Fuel (1, 2, 3, 5A, 5B, 6)
|
D
|
D
|
B
|
D
|
C
|
A
|
|
Oils:Ginger
|
N/A
|
A
|
A
|
A
|
N/A
|
N/A
|
|
Oils:Hydraulic Oil (Petro)
|
D
|
A
|
A
|
D
|
B
|
N/A
|
|
Oils:Hydraulic Oil (Synthetic)
|
D
|
A
|
D
|
A
|
B
|
N/A
|
|
Oils:Lemon
|
N/A
|
D
|
N/A
|
D
|
N/A
|
N/A
|
|
Oils:Linseed
|
D
|
D
|
A
|
D
|
A
|
N/A
|
|
Oils:Mineral
|
D
|
B
|
A
|
D
|
C
|
A
|
|
Oils:Olive
|
D
|
B
|
D
|
D
|
D
|
N/A
|
|
Oils:Orange
|
N/A
|
C
|
A
|
N/A
|
D
|
N/A
|
|
Oils:Palm
|
N/A
|
D
|
A
|
A
|
N/A
|
N/A
|
|
Oils:Peanut
|
D
|
B
|
A
|
D
|
A
|
N/A
|
|
Oils:Peppermint
|
N/A
|
D
|
D
|
N/A
|
N/A
|
N/A
|
|
Oils:Pine
|
D
|
D
|
D
|
D
|
D
|
N/A
|
|
Oils:Rapeseed
|
D
|
B
|
D
|
A
|
D
|
N/A
|
|
Oils:Rosin
|
N/A
|
N/A
|
A
|
N/A
|
N/A
|
N/A
|
|
Oils:Sesame Seed
|
N/A
|
D
|
A
|
N/A
|
N/A
|
N/A
|
|
Oils:Silicone
|
D
|
D
|
A
|
A
|
C
|
N/A
|
|
Oils:Soybean
|
D
|
C
|
A
|
C
|
A
|
N/A
|
|
Oils:Sperm (whale)
|
N/A
|
D
|
A
|
N/A
|
N/A
|
N/A
|
|
Oils:Tanning
|
N/A
|
D
|
A
|
N/A
|
N/A
|
N/A
|
|
Fluid
|
Nat. Rubber
|
Neoprene
|
Buna N
|
EPDM
|
Silicone
|
Kel_F
|
|
Oils:Transformer
|
D
|
B
|
A
|
D
|
B
|
N/A
|
|
Oils:Turbine
|
D
|
D
|
B
|
A
|
D
|
N/A
|
|
Oleic Acid
|
D
|
C
|
B
|
B
|
D
|
B
|
|
Oleum 100%
|
D
|
D
|
D
|
D
|
D
|
A
|
|
&nb |