Gasket Chemical Compatibility Chart

CheA – Minor Effect

B – Moderate Effect

C – Static Only

D – Not Recommended

* Insufficient Data

 

Chemicals

Natural Rubber

Styrene-
Butadiene (SBR)

Butyl IIR

EPDM, EPM

Nitrile NBR

Neoprene

Hypalon

Silicone

Fluoro-
elastomer (Viton)
Acetaldehyde

B

C

A

A

D

C

C

B

D
Acetamide

D

D

A

A

A

B

B

B

B
Acetic Acid, Glacial

B

B

B

A

C

D

C

B

C
Acetic Acid, 30%

B

B

B

A

B

A

B

A

B
Acetic Anhydride

B

B

B

B

C

B

A

C

D
Acetone

C

C

A

A

D

C

B

C

D
Acetophenone

D

D

A

A

D

D

D

D

D
Acetyl Chloride

D

D

D

D

D

D

D

C

A
Acetylene

B

B

A

A

A

B

B

B

A
Acrylonitrile

D

D

D

D

D

D

C

D

C
Adipic Acid

A

A

A

A

A

A

*

A
Alkazene (Dibromoethylbenzene)

D

D

D

D

D

D

D

D

B
Alum-NH3-Cr-K (Aqueous)

A

A

A

A

A

A

A

A

D
Aluminum Acetate (Aqueous)

A

B

A

A

B

B

A

D

D
Aluminum Chloride (Aqueous)

A

A

A

A

A

A

A

B

A
Aluminum Fluoride (Aqueous)

B

A

A

A

A

A

A

B

A
Aluminum Nitrate (Aqueous)

A

A

A

A

A

A

A

B

A
Aluminum Phosphate (Aqueous)

A

A

A

A

A

A

A

A

A
Aluminum Sulfate (Aqueous)

A

A

A

A

A

A

A

A

A
Ammonia Anhydrous

D

D

A

A

B

A

B

C

D
Ammonia Gas (cold)

A

A

A

A

A

A

A

A

D
Ammonia Gas (hot)

D

D

B

B

D

B

B

A

D
Ammonium Carbonate (Aqueous)

A

A

A

*

D

A

*

*

A
Ammonium Chloride (Aqueous)

A

A

A

A

A

A

A

A
Ammonium Hydroxide (conc.)

D

D

A

A

D

A

A

A

B
Ammonium Nitrate (Aqueous)

C

B

A

A

A

A

A

*

A
Ammonium Nitrite (Aqueous)

A

A

A

A

A

A

A

B

A
Ammonium Persulfate (Aqueous)

A

D

A

A

D

A

A

*

A
Ammonium Phosphate (Aqueous)

A

A

A

A

A

A

A

A

A
Ammonium Sulfate (Aqueous)

A

A

A

A

A

A

A

*

B
Amyl Acetate (Banana Oil)

D

D

C

C

D

D

D

D

D
Amyl Alcohol

B

B

A

A

B

B

A

D

B
Amyl Borate

D

D

D

D

A

A

A

*

A
Amyl Chloronapthalene

D

D

D

D

D

D

D

D

A
Amyl Napthalene

D

D

D

D

D

D

D

D

A
Aniline

D

D

A

A

D

D

C

D

C
Aniline Dyes

B

B

B

A

D

B

B

C

B
Aniline Hydrochloride

B

D

B

B

B

D

D

D

B
Animal Fats

D

D

B

B

A

B

B

B

A
Ansul Ether (Anesthetics)

D

D

C

C

C

D

D

D

D
Aqua Regia

D

D

D

C

D

D

A

D

B
Aroclor, 1248

D

D

C

C

C

D

A

B

A
Aroclor, 1254

D

D

D

C

D

D

D

C

A
Aroclor, 1260

A

A

A

A

A

A

A

B

A
Arsenic Acid

B

A

A

A

A

A

A

A

A
Arsenic Trichloride (Aqueous)

D

D

C

C

A

A

*

*

D
Askarel

D

D

D

D

B

D

D

D

A
Asphalt

D

D

D

D

B

B

B

D

A
Banana Oil (Amyl Acetate)

D

D

C

C

D

D

D

D

D
Barium Chloride (Aqueous)

A

A

A

A

A

A

A

A

A
Barium Hydroxide (Aqueous)

A

A

A

A

A

A

A

A

A
Barium Sulfate (Aqueous)

A

A

A

A

A

A

A

A

A
Barium Sulfide (Aqueous)

A

B

A

A

A

A

A

A

A
Beer

A

A

A

A

A

A

A

A

A
Beet Sugar Liquors

A

A

A

A

A

B

A

A

A
Benzaldehyde

D

D

A

A

D

D

A

B

D
Benzene

D

D

D

D

D

D

D

D

A
Benzene Sulfonic Acid (Nitrobenzine) (Pet Ether)

D

D

D

C

D

B

A

D

A
Benzine (Ligroin)

D

D

D

D

A

B

C

D

A
Benzoic Acid

D

D

D

C

C

D

D

C

A
Benzoyl Chloride

D

D

D

D

D

D

D

*

B
Benzyl Alcohol

D

D

A

A

D

B

B

B

A
Benzyl Benzoate

D

D

B

B

D

D

D

*

A
Benzyl Chloride

D

D

D

D

D

D

D

D

A
Biphenyl (Diphenyl) (Phenylbenzene)

D

D

D

D

D

D

D

D

A
Blast Furnace Gas

D

D

D

D

D

D

D

A

A
Bleach Solutions

D

D

A

A

D

D

A

B

A
Borax

B

B

A

A

B

A

A

B

A
Bordeaux Mixture

B

B

A

A

B

B

A

B

A
Boric Acid

A

A

A

A

A

A

A

A

A
Brine

A

A

A

A

A

A

A

A

A
Bromine-Anhydrous

D

D

D

D

D

D

D

D

A
Bromine Trifluoride

D

D

D

D

D

D

D

D

D
Bromine Water

D

D

C

B

D

D

A

D

A
Bromobenzene

D

D

D

D

D

D

D

D

A
Bunker Oil

D

D

D

D

A

D

D

B

A
Butadiene

D

D

D

C

D

D

C

D

A
Butane

D

D

D

D

A

A

B

D

A
Butter (Animal Fat)

D

D

B

A

A

B

B

B

A
Butyl Acetate

D

D

C

C

D

D

D

D

D
Butyl Acetyl Ricinoleate

D

D

A

A

C

B

B

*

A
Butyl Acrylate

D

D

D

D

D

D

D

*

D
Butyl Alcohol

A

A

B

B

A

A

A

B

A
Butyl Amine

D

D

C

B

C

D

D

D

D
Butyl Benzoate

C

B

B

B

D

D

D

*

A
Butyl Carbitol

D

D

A

A

D

C

B

D

C
Butyl Cellosolve

D

D

A

A

C

C

B

*

D
Butyl Oleate

D

D

B

B

D

D

D

*

A
Butyl Stearate

D

D

C

C

B

D

D

*

A
Butylene

D

D

D

D

B

C

D

D

A
Butyraldehyde

D

D

B

B

D

C

D

D

D
Calcium Acetate (Aqueous)

A

D

A

A

B

B

B

D

D
Calcium Bisulfite (Aqueous)

D

D

D

D

D

A

A

A

A
Calcium Chloride (Aqueous)

A

A

A

A

A

A

A

A

A
Calcium Hydroxide (Aqueous)

A

A

A

A

A

A

A

A

A
Calcium  Hypochlorite (Aqueous)

C

C

A

A

B

C

A

B

A
Calcium Nitrate (Aqueous)

A

A

A

A

A

A

A

B

A
Calcium Sulfide (Aqueous)

B

B

A

A

A

A

A

B

A
Cane Sugar Liquors

A

A

A

A

A

A

A

A

A
Carbamate

D

D

B

B

C

B

B

*

A
Carbitol

B

B

B

B

B

B

B

B

B
Carbolic Acid (Phenol)

D

D

B

B

D

C

D

D

A
Carbon Bisulfide

D

D

D

D

C

D

D

D

A
Carbon Dioxide

B

B

B

B

A

B

B

B

A
Carbonic Acid

A

B

A

A

B

A

A

A

A
Carbon Monoxide

B

B

A

A

A

B

B

A

A
Carbon Tetrachloride

D

D

D

D

C

D

D

D

A
Castor Oil

A

A

B

B

A

A

B

A

A
Cellosolve

D

D

B

B

D

D

D

D

C
Cellosolve Acetate

D

D

B

B

D

D

D

D

D
Cellulube (Fryquel)

D

D

A

A

D

D

D

A

A
ChinaWood Oil (Tung Oil)

D

D

C

C

A

B

C

D

A
Chlorine (Dry)

D

D

D

D

D

C

B

D

A
Chlorine (Wet)

D

D

C

C

D

C

C

D

B
Chlorine Dioxide

D

D

C

C

D

D

C

*

A
Chlorine Trifluoride

D

D

D

D

D

D

D

D

D
Chloroacetic Acid

D

D

B

A

D

D

A

*

D
Chloroacetone

D

D

B

A

D

C

C

D

D
Chlorobenzene

D

D

D

D

D

D

D

D

A
Chlorobromomethane

D

D

B

B

D

D

D

D

A
Chlorobutadiene

D

D

D

D

D

D

D

D

A
Chlorododecane

D

D

D

D

D

D

D

D

A
Chloroform

D

D

D

D

D

D

D

D

A
O-Chloronapthalene

D

D

D

D

D

D

D

D

A
1-Chloro-1-Nitro Ethane

D

D

D

D

D

D

D

D

D
Chlorosulfonic Acid

D

D

D

D

D

D

D

D

D
Chlorotoluene

D

D

D

D

D

D

D

D

A
Chlorox (Sodium Hypochlorite NaOC1)

D

D

B

B

B

A

B

B

A
Chrome Plating Solutions

D

D

B

B

D

D

D

B

A
Chromic Acid

D

D

C

C

D

C

B

C

A
Citric Acid

A

A

A

A

A

A

A

A

A
Coal Tar (Creosote)

D

D

D

D

A

B

D

D

A
Cobalt Chloride (Aqueous)

A

A

A

A

A

A

A

B

A
Cocoanut Oil

D

D

C

C

A

B

C

A

A
Cod Liver Oil

D

D

A

A

A

B

B

B

A
Coke Oven Gas

D

D

D

D

D

D

C

B

A
Copper Acetate (Aqueous)

A

D

A

A

B

B

B

D

D
Copper Chloride (Aqueous)

A

A

A

A

A

B

B

A

A
Copper Cyanide (Aqueous)

A

A

A

A

A

A

A

A

A
Copper Sulfate (Aqueous)

B

B

B

A

A

A

A

A

A
Corn Oil

D

D

C

C

A

C

B

A

A
Cottonseed Oil

D

D

C

B

A

B

B

A

A
Creosote (Coal Tar)

D

D

D

D

A

B

D

D

A
Cresol

D

D

D

D

D

C

D

D

A
Cresylic Acid

D

D

D

D

D

C

D

D

A
Cumene

D

D

D

D

D

D

D

D

A
Cyclohexane

D

D

D

D

A

C

D

D

A
Cyclohexanol

D

D

D

C

C

A

B

D

A
Cyclohexanone

D

D

B

B

D

D

D

D

D
P-Cymene

D

D

D

D

D

D

D

D

A
Decalin

D

D

D

D

D

D

D

D

A
Decane

D

D

D

D

A

D

C

B

A
Denatured Alcohol

A

A

A

A

A

A

A

A

A
Detergent Solutions

B

B

A

A

A

B

B

A

A
Developing Fluids

A

B

B

B

A

A

A

A

A
Diacetone

D

D

A

A

D

D

D

D

D
Diacetone Alcohol

D

D

A

A

D

B

B

B

D
Dibenzyl Ether

D

D

B

B

D

C

D

*

D
Dibenzyl Sebecate

D

D

B

B

D

D

D

C

B
Dibromoethylbenzene (Alkazene)

D

D

D

D

D

D

D

D

B
Dibutyl Amine

D

D

D

C

D

D

D

C

D
Dibutyl Ether

D

D

C

C

D

C

D

D

C
Dibutyl Phthalate

D

D

C

B

D

D

D

B

C
Dibutyl Sebecate

D

D

B

B

D

D

D

B

B
O-Dichlorobenzene

D

D

D

D

D

D

D

D

A
Dichloro-Isopropyl Ether

D

D

D

C

D

D

D

D

C
Dicyclohexylamine

D

D

D

D

C

D

D

D
Diesel Oil

D

D

D

D

A

C

C

D

A
Diethylamine

B

B

B

B

B

B

C

B

D
Diethyl Benzene

D

D

D

D

D

D

D

D

A
Diethyl Ether

D

D

D

D

D

C

C

D

D
Diethylene Glycol

A

A

A

A

A

A

A

B

A
Diethyl Sebecate

D

D

B

B

B

D

B

B

B
Diisobutylene

D

D

D

D

B

D

D

D

A
Diisopropyl Benzene

D

D

D

D

D

D

D

*

A
Diisopropyl Ketone

D

D

A

A

D

D

D

D

D
Diisopropylidene Acetone (Phorone)

D

D

C

C

D

D

D

D

D
Dimethyl Aniline (Xylidine)

C

C

C

B

C

C

D

D

D
Dimethyl Ether (Methyl Ether)

D

D

D

D

A

C

C

A

D
Dimethyl Formamide

D

D

B

B

B

C

D

B

D
Dimethyl Phthalate

D

D

B

B

D

D

D

*

B
Dinitrotoluene

D

D

D

D

D

D

D

D

D
Dioctyl Phtalate

D

D

B

B

C

D

D

C

B
Dioctyl Sebecate

D

D

B

B

D

D

D

C

B
Dioxane

D

D

B

B

D

D

D

D

D
Dioxolane

D

D

C

B

D

D

D

D

D
Dipentene

D

D

D

D

B

D

D

D

A
Diphenyl (Biphenyl) (Phenylbenzene)

D

D

D

D

D

D

D

D

A
Diphenyl Oxides

D

D

D

D

D

D

D

C

A
Dowtherm Oil

D

D

D

D

D

D

D

C

A
Dry Cleaning Fluids

D

D

D

D

C

D

D

D

A
Epichlorohydrin

D

D

B

B

D

D

D

D

D
Ethane

D

D

D

D

A

B

B

D

A
Ethanolamine

B

B

B

B

B

B

C

B

D
Ethyl Acetate

D

D

B

B

D

C

D

B

D
Ethyl Acetoacetate

C

C

B

B

D

C

D

B

D
Ethyl Acrylate

D

D

B

B

D

D

D

B

D
Ethyl Alcohol

A

A

A

A

A

A

A

A

B
Ethyl Benzene

D

D

D

D

D

D

D

D

A
Ethyl Benzoate

A

A

A

A

D

D

D

D

A
Ethyl Cellosolve

D

D

D

D

D

D

D

D

D
Ethyl Cellulose

B

B

B

B

B

B

B

C

D
Ethyl Chloride

D

D

D

C

A

D

D

D

A
Ethyl Chlorocarbonate

D

D

C

B

D

D

D

D

A
Ethy Chloroformate

D

D

C

B

D

D

D

D

D
Ethyl Ether

D

D

C

C

C

C

D

D

D
Ethyl Formate

D

D

B

B

D

B

B

*

A
Ethyl Mercaptan

D

D

D

C

D

C

B

C

B
Ethyl Oxalate

A

A

A

A

D

C

D

D

A
Ethyl Pentachlorobenzene

D

D

D

D

D

D

D

D

A
Ethyl Silicate

B

B

A

A

A

A

B

*

A
Ethylene

C

C

B

B

A

C

*

*

A
Ethylene Chloride

D

D

C

C

D

D

D

D

B
Ethylene Chlorohydrin

B

B

B

B

D

B

B

C

A
Ethylene Diamine

A

B

A

A

A

A

B

A

D
Ethylene Dichloride

D

D

C

C

D

D

D

D

A
Ethylene Glycol

A

A

A

A

A

A

A

A

A
Ethylene Oxide

D

D

C

C

D

D

D

D

D
Ethylene Trichloride

D

D

C

C

D

D

D

D

A
Fatty Acids

D

D

C

C

B

B

B

C

A
Ferric Chloride (Aqueous)

A

A

A

A

A

A

A

B

A
Ferric Nitrate (Aqueous)

A

A

A

A

A

A

A

C

A
Ferric Sulfate (Aqueous)

A

A

A

A

A

A

A

B

A
Fish Oil

D

D

D

D

A

D

*

A

A
Fluorinated Cyclic Ethers

D

D

A

A

*

D

*

*

*
Fluorine (Liquid)

D

D

D

D

D

D

*

D

B
Fluorobenzene

D

D

D

D

D

D

*

D

A
Fluoroboric Acid

A

A

A

A

A

A

A

*

*
Fluorocarbon Oils

B

B

A

A

B

*

*

*
Fluorolube

B

C

A

A

A

B

A

A

B
Fluorosilicic Acid  (Hydrofluosilicic Acid)

B

C

B

B

A

B

A

D

A
Formaldehyde (RT)

B

B

A

A

C

B

A

B

D
Formic Acid

B

A

A

A

B

A

A

B

C
Freon 11

D

D

D

D

B

C

A

D

A
Freon 12

B

A

B

B

A

A

A

D

B
Freon 13

A

A

A

A

A

A

A

D

A
Freon 21

D

D

D

D

D

D

D

D

D
Freon 22

B

A

A

A

D

A

A

D

D
Freon 31

B

B

A

A

D

B

B

*

D
Freon 32

A

A

A

A

A

A

A

*

D
Freon 112

D

C

D

D

B

C

B

D

A
Freon 113

C

B

D

C

A

A

A

D

B
Freon 114

A

A

A

A

A

A

A

D

B
Freon 115

A

A

A

A

A

A

A

*

B
Freon 142b

B

B

A

B

A

A

A

*

D
Freon 152a

A

A

A

A

A

A

C

*

D
Freon 218

A

A

A

A

A

A

A

*

A
Freon C316

A

A

A

A

A

A

A

*

B
Freon C318

A

A

A

A

A

A

A

*

B
Freon 13B1

A

A

A

A

A

A

A

D

A
Freon 114B2

D

C

D

D

B

C

A

D

B
Freon 502

A

A

A

A

B

A

*

*

B
Freon TF

D

C

D

D

A

A

A

D

B
Freon T-WD602

D

C

B

B

B

B

B

D

A
Freon TMC

D

D

C

C

B

C

B

C

A
Freon T-P35

A

A

A

A

A

A

A

A

A
Freon TA

C

C

B

B

A

B

A

C

D
Freon TC

D

C

B

B

A

A

A

D

A
Freon MF

D

D

D

D

A

C

B

D

B
Freon BF

D

D

D

D

B

C

B

D

A
Fuel Oil

D

D

D

D

A

B

B

D

A
Fumaric Acid

C

C

B

B

A

B

B

B

A
Furan, Furfuran

D

D

D

C

D

D

D

*

D
Furfural

D

D

B

B

D

C

C

D

D
Fyrquel (Cellulube)

D

D

A

A

D

D

D

A

A
Gallic Acid

A

B

B

B

B

B

B

*

A
Gasoline

D

D

D

D

B

C

C

D

A
Gelatin

A

A

A

A

A

A

A

A

A
Glauber’s Salt (Aqueous)

B

D

B

B

D

B

B

*

A
Glucose

A

A

A

A

A

A

A

A

A
Glue

B

B

B

A

A

A

A

A

A
Glycerin

A

A

A

A

A

A

A

A

A
Glycols

A

A

A

A

A

A

A

A

A
Green Sulfate Liquor

B

B

A

A

B

B

B

A

A
Halowax Oil

D

D

D

D

D

D

D

D

A
N-Hexaldehyde

D

D

B

A

D

A

C

B

D
Hexane

D

D

D

D

A

B

B

D

A
N-Hexene-1

D

D

D

D

B

B

B

D

A
Hexyl Alcohol

B

B

C

C

A

B

B

B

A
Hydrazine

A

A

A

A

B

B

B

C

D
Hydraulic Oil (Petroleum)

D

D

D

D

A

B

B

C

A
Hydrobromic Acid

A

D

A

A

D

D

A

D

A
Hydrobromic Acid 40%

A

D

A

A

D

B

A

D

A
Hydrochloric Acid (Cold) 37%

B

B

A

A

C

B

A

C

A
Hydrochloric Acid (Hot) 37%

D

D

C

C

D

D

D

D

B
Hydrocyanic Acid

B

B

A

A

B

B

A

C

A
Hydrofluoric Acid (Conc.) Cold

D

D

C

C

D

D

A

D

A
Hydrofluoric Acid (Conc.) Hot

D

D

D

D

D

D

C

D

D
Hydrofluoric Acid-Anhydrous

D

D

C

C

D

D

A

D

D
Hydrofluosilicic Acid (Fluosilicic Acid)

B

C

B

B

A

B

A

D

A
Hydrogen Gas

B

A

A

A

A

A

A

C

A
Hydrogen Peroxide (90%)

D

D

C

B

D

D

A

B

B
Hydrogen Sulfide (Wet) Cold

D

D

A

A

D

B

B

C

D
Hydrogen Sulfide (Wet) Hot

D

D

A

A

D

C

C

C

D
Hydroquinone

B

D

B

B

C

D

D

*

B
Hypochlorous Acid

B

D

B

B

D

D

D

*

A
Iodine Pentafluoride

D

D

D

D

D

D

D

D

D
Iodoform

D

D

D

D

*

D

*

*

C
Isobutyl Alcohol

A

B

A

A

B

A

A

A

A
Isooctane

D

D

D

D

A

B

B

D

A
Isophorone

D

D

C

C

D

D

D

D

D
Isopropyl Acetate

D

D

B

B

D

D

D

D

D
Isopropyl Alcohol

A

B

A

A

B

B

A

A

A
Isopropyl Chloride

D

D

D

D

D

D

D

D

A
Isopropyl Ether

D

D

D

D

B

C

C

D

D
Kerosene

D

D

D

D

A

B

C

D

A
Lacquers

D

D

D

D

D

D

D

D

D
Lacquer Solvents

D

D

D

D

D

D

D

D

D
Lactic Acid (Cold)

A

A

A

A

A

A

A

A

A
Lactic Acid (Hot)

D

D

D

D

D

D

C

B

A
Lard

D

D

B

B

A

B

D

B

A
Lavender Oil

D

D

D

D

B

D

D

D

A
Lead Acetate (Aqueous)

A

D

A

A

B

B

D

D

D
Lead Nitrate (Aqueous)

A

A

A

A

A

A

A

B

A
Lead Sulfamate (Aqueous)

B

B

A

A

B

A

A

B

A
Ligroin (Benzine) (Nitrobenzine)

D

D

D

D

A

B

C

D

A
Lime Bleach

A

B

A

A

A

B

B

B

A
Lime Sulfur

D

D

A

A

D

A

A

A

A
Lindol (Hydraulic Fluid)

D

D

A

A

D

D

D

C

B
Linoleic Acid

D

D

D

D

B

D

D

B

B
Linseed Oil

D

D

C

C

A

B

B

A

A
Liquefied Petroleum Gas

D

D

D

D

A

B

B

C

A
Lubricating Oils (Petroleum)

D

D

D

D

A

B

B

D

A
Lye

B

B

A

A

B

B

A

B

B
Magnesium Chloride (Aqueous)

A

A

A

A

A

A

A

A

A
Magnesium Hydroxide (Aqueous)

B

B

A

A

B

A

A

*

A
Magnesium Sulfate (Aqueous)

B

B

A

A

A

A

A

A

A
Maleic Acid

C

C

B

B

D

C

D

*

A
Maleic Anhydride

C

C

B

B

D

C

D

*

D
Malic Acid

C

C

B

B

A

C

B

B

A
Mercury Chloride (Aqueous)

A

A

A

A

A

A

A

*

A
Mercury

A

A

A

A

A

A

A

*

A
Mesityl Oxide

D

D

B

B

D

D

D

D

D
Methane

D

D

D

D

A

B

B

D

A
Methyl Acetate

C

C

A

A

D

B

D

D

D
Methyl Acrylate

D

D

B

B

D

B

D

D

D
Methylacrylic Acid

D

D

B

B

D

B

D

D

D
Methyl Alcohol

A

A

A

A

A

A

A

A

D
Methyl Bromide

D

D

D

D

B

D

D

*

A
Methyl Butyl Ketone (Propyl Acetone)

D

D

A

A

D

D

D

C

D
Methyl Cellosolve

D

D

B

B

C

C

B

D

D
Methyl Chloride

D

D

C

C

D

D

D

D

B
Methyl Cyclopentane

D

D

D

D

D

D

D

D

A
Methylene Chloride

D

D

D

C

D

D

D

D

B
Methyl Ether (Dimethyl Ether)

D

D

D

D

A

C

C

A

D
Methyl Ethyl Ketone

D

D

B

A

D

C

D

D

D
Methyl Formate

D

D

B

B

D

B

B

*

D
Methyl Isobutyl Ketone

D

D

C

B

D

D

D

D

D
Methyl Methacrylate

D

D

D

C

D

D

D

D

D
Methyl Oleate

D

D

B

B

D

D

D

*

B
Methyl Salicylate

C

C

B

B

D

D

D

*

B
Milk

A

A

A

A

A

A

A

A

A
Mineral Oil

D

D

C

C

A

B

B

B

A
Monochlorobenzene

D

D

D

D

D

D

D

D

A
Monomethyl Aniline

D

D

B

B

D

D

D

*

B
Monoethanol Amine

B

B

B

A

D

D

D

B

D
Monomethyl Ether (Methyl Ether)

D

D

D

D

A

C

B

A

D
Monovinyl Acetylene

B

B

B

B

A

B

B

B

A
Mustard Gas

A

B

A

A

*

A

A

A

A
Naphtha

D

D

D

D

B

C

D

D

A
Naphthalene

D

D

D

D

D

D

D

D

A
Naphthalenic Acid

D

D

D

D

B

D

D

D

A
Natural Gas

B

B

D

D

A

A

A

A

A
Neats Foot Oil

D

D

B

B

A

D

D

B

A
Neville Acid

D

D

B

B

D

D

D

D

A
Nickel Acetate (Aqueous)

A

D

A

A

B

B

D

D

D
Nickel Chloride (Aqueous)

A

A

A

A

A

A

A

A

A
Nickel Sulfate (Aqueous)

B

B

A

A

A

A

A

A

A
Niter Cake

A

A

A

A

A

A

A

A

A
Nitric Acid (Conc.)

D

D

D

D

D

D

B

D

B
Nitric Acid (Dilute)

D

D

B

B

D

B

A

B

A
Nitric Acid-Red Fuming

D

D

D

D

D

D

D

D

C
Nitrobenzene

D

D

A

A

D

D

D

D

B
Nitrobenzene (Petroleum Ether)

D

D

D

D

A

B

C

D

A
Nitroethane

B

B

B

B

D

C

B

D

D
Nitrogen

A

A

A

A

A

A

A

A

A
Nitrogen Tetroxide

D

D

C

C

D

D

D

D

D
Nitromethane

B

B

B

B

D

B

C

D

D
Octachlorotoluene

D

D

D

D

D

D

D

D

A
Octadecane

D

D

D

D

A

B

B

D

A
N-Octane

D

D

D

D

B

B

B

D

A
Octyl Alcohol

B

B

C

C

B

A

B

B

A
Oleic Acid

D

D

D

D

C

C

C

D

B
Oleum Spirits

D

D

D

D

B

C

B

D

A
Olive Oil

D

D

B

B

A

B

B

C

A
O-Dichlorobenzene

D

D

D

D

D

D

D

D

A
Oxalic Acid

B

B

A

A

B

B

B

B

A
Oxygen-Cold

B

B

A

A

B

A

A

A

A
Oxygen-(200-400°F)

D

D

D

C

D

D

D

B

B
Ozone

D

D

B

A

D

C

A

A

A
Paint Thinner, Duco

D

D

D

D

D

D

D

D

B
Palmitic Acid

B

B

B

B

A

B

C

D

A
Peanut Oil

D

D

C

C

A

C

B

A

A
Perchloric Acid

D

D

B

B

D

B

B

D

A
Perchloroethylene

D

D

D

D

B

D

D

D

A
Petroleum-Below 250°F

D

D

D

D

A

B

B

B

A
Petroleum-Above 250°F

D

D

D

D

D

B

D

D

B
Phenol (Carbolic Acid)

D

*

B

B

D

C

D

D

A
Phenylbenzene (Biphenyl) (Diphenyl)

D

D

D

D

D

D

D

D

A
Phenyl Ethyl Ether

D

D

D

D

D

D

D

D

D
Phenyl Hydrazine

A

B

B

B

D

D

D

*

B
Phorone (Diisopropylidene Acetone)

D

D

C

C

D

D

D

D

D
Phosphoric Acid-20%

B

B

B

A

B

B

A

B

A
Phosphoric Acid-45%

C

C

B

A

D

B

B

C

A
Phosphorus Trichloride

D

D

A

A

D

D

D

*

A
Pickling Solution

D

D

C

C

D

D

B

D

B
Picric Acid

B

B

B

B

B

A

B

D

A
Pinene

D

D

D

D

B

C

C

D

A
Pine Oil

D

D

D

D

D

D

D

D

A
Piperidine

D

D

D

D

D

D

D

D

D
Plating Solution-Chrome

D

D

A

A

*

D

D

D

A
Plating Solution-Others

D

D

A

A

A

D

A

D

A
Polyvinyl Acetate Emulsion

B

D

A

A

*

B

B

*

*
Potassium Acetate (Aqueous)

A

D

A

A

B

B

A

D

D
Potassium Chloride (Aqueous)

A

A

A

A

A

A

A

A

A
Potassium Cupro Cyanide (Aqueous)

A

A

A

A

A

A

A

A

A
Potassium Cyanide (Aqueous)

A

A

A

A

A

A

A

A

A
Potassiun Dichromate (Aqueous)

B

B

A

A

A

A

A

A

A
Potassium Hydroxide (Aqueous)

B

B

A

A

B

B

A

C

D
Potassium Nitrate (Aqueous)

A

A

A

A

A

A

A

A

A
Potassium Sulfate (Aqueous)

B

A

A

A

A

A

B

A

A
Producer Gas

D

D

D

D

A

B

B

B

A
Propane

D

D

D

D

A

B

B

D

A
i-Propyl Acetate

D

D

B

B

D

D

D

D

D
n-Propyl Acetate

D

D

B

B

D

D

D

D

D
Propyl Acetone (Methyl Butyl Ketone)

D

D

A

A

D

D

D

C

D
Propyl Alcohol

A

A

A

A

A

A

A

A

A
Propyl Nitrate

D

D

B

B

D

D

D

D

D
Propylene

D

D

D

D

D

D

D

D

A
Propylene Oxide

D

D

B

B

D

D

D

D

D
Pydraul, 10E, 29 ELT

D

D

A

A

D

D

D

D

A
Pydraul, 30E, 50E, 65E, 90E

D

D

A

A

D

D

D

A

A
Pydraul, 115E

D

D

A

A

D

D

D

D

A
Pydraul, 230E, 312C, 540C

D

D

D

D

D

D

D

D

A
Pyranol, Transformer Oil

D

D

D

D

A

B

C

D

A
Pyridine

D

D

B

B

D

D

D

D

D
Pyroligneous Acid

D

D

B

B

D

B

B

*

D
Pyrrole

C

C

D

C

D

D

D

B

D
Radiation

C

C

D

B

C

B

C

C

C
Rapeseed Oil

D

D

A

A

B

B

B

D

A
Red Oil (MIL-H-5606)

D

D

D

D

A

B

B

D

A
RJ-1 (MIL-F-25558 B)

D

D

D

D

A

B

B

D

A
RP-1 (MIL-F-25576 C)

D

D

D

D

A

B

B

D

A
Sal Ammoniac

A

A

A

A

A

A

A

B

A
Salicylic Acid

A

B

A

A

B

A

*

*

A
Salt Water

A

A

A

A

A

B

A

A

A
Sewage

B

B

B

B

A

B

A

B

A
Silicate Esters

D

D

D

D

B

A

A

D

A
Silicone Greases

A

A

A

A

A

A

A

C

A
Silicone Oils

A

A

A

A

A

A

A

C

A
Silver Nitrate

A

A

A

A

B

A

A

A

A
Skydrol 500

D

D

B

A

D

D

D

C

D
Skydrol 7000

D

D

A

A

D

D

D

C

B
Soap Solutions

B

A

A

A

A

B

A

A

A
Soda Ash

A

A

A

A

A

A

A

A

A
Sodium Acetate (Aqueous)

A

D

A

A

B

B

A

D

D
Sodium Bicarbonate (Aqueous) (Baking Soda)

A

A

A

A

A

A

A

A

A
Sodium Bisulfite (Aqueous)

A

B

A

A

A

A

A

A

A
Sodium Borate (Aqueous)

A

A

A

A

A

A

A

A

A
Sodium Chloride (Aqueous)

A

A

A

A

A

A

A

A

A
Sodium Cyanide (Aqueous)

A

A

A

A

A

A

A

A

A
Sodium Hydroxide (Aqueous)

A

A

A

A

B

A

A

B

B
Sodium Hypochlorite (Aqueous) (Chlorox)

D

D

B

B

B

A

A

B

A
Sodium Metaphosphate (Aqueous)

A

A

A

A

A

B

B

*

A
Sodium Nitrate (Aqueous)

B

A

A

A

B

B

A

D

A
Sodium Perborate (Aqueous)

B

B

A

A

B

B

B

B

A
Sodium Peroxide (Aqueous)

B

B

A

A

B

B

B

D

B
Sodium Phosphate (Aqueous)

A

A

A

A

A

B

A

D

A
Sodium Silicate (Aqueous)

A

A

A

A

A

A

A

*

A
Sodium Sulfate (Aqueous)

B

B

A

A

A

A

A

A

A
Sodium Thiosulfate (Aqueous)

B

B

A

A

B

A

A

A

A
Soybean Oil

D

D

C

C

A

B

C

A

A
Stannic Chloride (Aqueous)

A

A

A

A

A

B

A

B

A
Stannous Chloride (Aqueous)

A

A

A

A

A

A

A

B

A
Steam Under 300°F

D

D

B

A

D

C

D

C

D
Steam Over 300°F

D

D

D

C

D

D

D

D

D
Stearic Acid

B

B

B

B

B

B

B

B

A
Stoddard Solvent

D

D

D

D

A

B

D

D

A
Styrene

D

D

D

D

D

D

D

D

B
Sucrose Solution

A

A

A

A

A

B

B

A

A
Sulfite Liquors

B

B

B

B

B

B

B

D

A
Sulfur

D

D

A

A

D

A

A

C

A
Sulfur Chloride (Aqueous)

D

D

D

D

C

C

B

C

A
Sulfur Dioxide (Dry)

B

B

B

A

D

D

B

B

B
Sulfur Dioxide (Wet)

D

D

A

A

D

B

A

B

B
Sulfur Dioxide (Liquified Under Pressure)

D

D

B

A

D

D

D

B

B
Sulfur Hexafluoride

D

D

A

A

B

A

B

B

A
Sulfur Trioxide

B

B

B

B

D

D

D

B

A
Sulfuric Acid (Dilute)

C

C

B

B

C

B

A

D

A
Sulfuric Acid (Conc.)

D

D

D

C

D

D

A

D

A
Sulfuric Acid (20% Oleum)

D

D

D

D

D

D

D

D

A
Sulfurous Acid

B

B

B

B

B

B

A

D

C
Tannic Acid

A

B

A

A

A

A

A

B

A
Tar, Bituminous

D

D

C

C

B

C

D

B

A
Tartaric Acid

C

D

B

B

A

B

A

A

A
Terpineol

D

D

C

C

B

D

D

*

A
Tertiary Butyl Alcohol

B

B

B

B

B

B

B

B

A
Tertiary Butyl Catechol

D

B

B

B

D

B

B

*

A
Tertiary Butyl Mercaptan

D

D

D

D

D

D

D

D

A
Tetrabromoethane

D

D

D

D

D

D

D

D

A
Tetrabromomethane

D

D

D

D

D

D

*

D

A
Tetrabutyl Titanate

B

B

B

A

B

B

A

*

A
Tetrachloroethylene

D

D

D

D

D

D

D

D

A
Tetraethyl Lead

D

D

D

D

B

B

D

*

A
Tetrahydrofuran

D

D

C

C

D

D

D

D

D
Tetralin

D

D

D

D

D

D

D

D

B
Thionyl Chloride

D

D

D

C

D

D

D

*

B
Titanium Tetrachloride

D

D

D

D

B

D

D

D

A
Toluene

D

D

D

D

D

D

D

D

B
Toluene Diisocyanate

D

D

B

B

D

D

D

D

D
Transformer Oil

D

D

D

D

A

B

C

B

A
Transmission Fluid Type A

D

D

D

D

A

B

B

B

A
Triacetin

B

B

A

A

B

B

B

*

D
Triaryl Phosphate

D

D

A

A

D

D

D

C

A
Tributoxy Ethyl Phosphate

B

B

A

A

D

D

D

*

A
Tributyl Mercaptan

D

D

D

D

D

D

D

D

A
Tributyl Phosphate

B

D

B

B

D

D

D

D

D
Trichloroacetic Acid

C

B

B

B

B

D

D

*

D
Trichloroethane

D

D

D

D

D

D

D

D

A
Trichloroethylene

D

D

D

D

D

D

D

D

A
Tricresyl Phosphate

D

A

A

D

D

C

D

C

A
Triethanol Amine

B

B

B

A

B

A

B

*

D
Triethyl Aluminum

D

D

C

C

D

D

D

*

B
Triethyl Borane

D

D

C

C

D

D

D

*

A
Trinitrotoluene

D

D

D

D

D

B

B

*

B
Trioctyl Phosphate

D

D

A

A

D

D

D

C

B
Tung Oil (ChinaWood Oil)

D

D

C

C

A

B

C

D

A
Turbine Oil

D

D

D

D

B

D

D

D

A
Turpentine

D

D

D

D

A

D

D

D

A
Unsymmetrical Dimethyl Hydrazine

A

A

A

A

B

B

A

D

D
Varnish

D

D

D

D

B

D

D

D

A
Vegetable Oils

D

D

C

C

A

C

B

B

A
Versilube F-50

A

A

A

A

A

A

A

C

A
Vinegar

B

B

A

A

B

B

A

A

A
Vinyl Chloride

D

D

D

D

D

D

D

*

A
Wagner 21B Brake Fluid

B

A

B

A

C

B

B

C

D
Water

A

A

A

A

A

A

A

A

A
Whiskey, Wines

A

A

A

A

A

A

A

A

A
White Pine Oil

D

D

D

D

B

D

D

D

A
White Oil

D

D

D

D

A

B

D

D

A
Wood Oil

D

D

D

D

A

B

C

D

A
Xylene

D

D

D

D

D

D

D

D

A
Xylidine (Di-methyl Aniline)

C

C

C

B

C

C

D

D

D
Zeolites

A

A

A

A

A

A

A

*

A
Zinc Acetate (Aqueous)

A

D

A

A

B

B

A

D

D
Zinc Chloride (Aqueous)

A

A

A

A

A

A

A

A

A
Zinc Sulfate (Aqueous)

B

B

A

A

A

A

A

A

A