engineering fundamentals O-Ring Chemical Compatibility Guide
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This page contains a guide to selecting O-ring materials based on chemical compatibility requirements.

The chemical compatibility data can be presented in one of two ways. First, you can select a specific O-ring material to view its compatible chemicals. Or second, you can select a specific chemical to view all its compatible O-ring materials.

Chemical compatibilities are rated and displayed according to the following scale:

  Key to O-Ring Material Compatibility Ratings  
 (4)   Good, both for static and dynamic seals
 (3)   Fair, usually OK for static seals
 (2)   Sometimes OK for static seals; not OK for dynamic seals
 (1)   Poor
 (0)   No Data
 
O-Ring Compatibilities
O-Ring Materials
(select a material to show its compatible chemicals)
Aflas Buna-N (Nitrile) Butyl
Chemraz Epichlorohydrin Ethylene-Propylene
Fluorocarbon Fluorosilicone Hypalon
Kalrez Natural Rubber Neoprene
Nitrile, Hydrogenated Polyacrylate Polysulfide
Polyurethane, Cast Polyurethane, Millable Silicone
Styrene Butadiene Teflon, Virgin Vamac
 
Order by Chemical Name
Chemicals Compatible with Hypalon
(select a chemical to show its compatible O-ring materials)
Acetic Anhydride (4) Air below 200 C (4) Aluminium Chloride (4)
Aluminium Flouride (4) Aluminium Nitrate (4) Aluminium Sulfate (4)
Ammonia, Gas, Cold (4) Ammonium Chloride (4) Ammonium Hydroxide, Concentrated (4)
Ammonium Nitrate (4) Ammonium Persulfate Solution (4) Ammonium Sulfate (4)
Amyl Alcohol (4) Beer (4) Bleach Liquor (4)
Borax Solutions (4) Boric Acid (4) Butyl Alcohol (4)
Calcium Carbonate (4) Calcium Chloride (4) Calcium Hydroxide (4)
Calcium Hypochlorite (4) Calcium Nitrate (4) Calcium Sulfide (4)
Carbon Monoxide (4) Carbonic Acid (4) Castor Oil (4)
China Wood Oil, Tung Oil (4) Citric Acid (4) Coffee (4)
Denatured Alcohol (4) Diethylamine Glycol (4) Dow Corning 550 (4)
Dow Guard (4) Ethanol (4) Ethyl Alcohol (4)
Ethyl Hexanol (4) Ethylene (4) Ethylene Glycol (4)
Freon 11 (M) (4) Freon 113 (4) Freon 114 (4)
Freon 114B2 (4) Freon 13 (4) Freon 22 (4)
Freon 32 (4) Freon C318 (4) Freon TF (4)
Gelatine (4) Glucose (4) Glycerin (4)
Glycol, General (4) Helium (4) Hydrobromic Acid (4)
Hydrocyanic Acid (4) Hydrogen Gas (4) Iso Octane (4)
Isobutyl Alcohol (4) Isopropanol (4) Lye (4)
Mercuric Chloride (4) Mercury (4) Methane (4)
Methanol (4) Methyl Alcohol (4) Milk (4)
MIL-S-81087 (4) Mineral Oils (4) Natural Gas (4)
Nitrogen, Gas (4) Oxalic Acid (4) Ozone (4)
Potassium Nitrate (4) Potassium Sulfate (4) Propanol (4)
Propyl Alcohol (4) Sea Water (4) Silicone Grease (4)
Silicone Oils (4) Silver Nitrate (4) Sodium Bicarbonate (4)
Sodium Carbonate (4) Sodium Chloride (4) Sulfurous Acid (4)
Tannic Acid (4) Tartaric Acid (4) Tetrabutyl Titanate (4)
Triethanolamine (4) Vinegar (4) Water, Fresh (4)
Whiskey (4) Acetamide (3) Ammonia, Gas, Hot (3)
Ammonium Carbonate (3) ASTM Fuel A (3) ASTM Oil One (3)
Automotive Brake Fluid (3) Benzene Sulfonic Acid (3) Benzyl Alcohol (3)
Butter (3) Carbitol 2 (3) Chloracetic Acid (3)
Chromic Acid (3) Cod Liver Oil (3) Coolanol Monsanto (3)
Corn Oil (3) Ethane (3) Ethyl Cellulose (3)
Ethyl Diamine (3) Ethyl Formate (3) Ethyl Silicate (3)
Formaldehyde (3) Freon 112 (3) Freon 31 (3)
Gallic Acid (3) Heptane (3) Hexane (3)
Hexyl Alcohol (3) Hydraulic Oil, Petroleum Base (3) Hydrazine (3)
Hydrogen Peroxide (3) Iodine (3) Lard, Animal Fat (3)
Linsed Oil (3) MIL-F-25558 (RJ-1) (3) MIL-G-25760 (3)
MIL-H-5606 (3) MIL-H-7083 (3) MIL-L-25681 (3)
MIL-S-3136, Type 1 Fuel (3) N-Pentane (3) Octyl Alcohol (3)
Oleic Acid (3) Oxygen, Cold (3) Peanut Oil (3)
Petroleum Oil (3) Phosphoric Acid (3) Producer Gas (3)
Pyranol, Transformer Oil (3) Red Oil (3) RJ-1 (MIL-F-25558) (3)
Sucrose Solutions (3) Sulfur Hexafluoride (3) Tertiary Butyl Alcohol (3)
Tetrachloroethane (3) Transmission Fluid, Type A (3) VV-H-910 (3)
Wagner 21B Brake Fluid (3) Acetic Acid, Glacial (2) Acetyl Chloride (2)
Acetylene Gas (2) Acrylonitrile (2) ASTM Oil Three (2)
Automatic Transmission Fluid (2) Benzine (Ligroin) (2) Chlordane (2)
Diesel Oil (2) Diethylamine (2) Dowtherm A (2)
Fuel Oil (2) Isopropyl Chloride (2) Isopropyl Ether (2)
Methyl Ether (2) MIL-R-25576 (RP-1) (2) Monovinyl Acetate (2)
N-Hexaldehyde (2) Nitroethane (2) Nitromethane (2)
Radiation (2) RP-1 (MIL-R-25576) (2) Stearic Acid (2)
Acetone (1) Acetophenone (1) Alkazene (1)
Ammonium Phosphate (1) Amyl Acetate (1) Amyl Chloronaphthalene (1)
Aniline (1) Aniline Oil (1) Animal Oil (1)
Arachlor 1248 (1) Argon (1) Aromatic Fuel 50% (1)
Askarel Transformer Oil (1) ASTM Fuel B (1) ASTM Fuel C (1)
ASTM Oil Four (1) ASTM Oil Two (1) Benzaldehyde (1)
Benzene (1) Benzyl Benzoate (1) Benzyl Chloride (1)
Bromine Gas (1) Bromobenzene (1) Bunker Oil (1)
Carbon Disulfide (1) Carbon Tetrachloride (1) Chlorinated Solvents (1)
Chlorine Dioxide (1) Chlorine Trifluoride (1) Chlorine, Wet (1)
Chloroform (1) Chlorosulfonic Acid (1) Chrome Plating Solution (1)
Creosote, Coal Tar (1) Creosylic Acid (1) Diacetone (1)
Dibenzyl Ether (1) Dibutyl Phthalate (1) Dichloro-Butane (1)
Di-ester Lubricant MIL-L-7808 (1) Dimethyl Formamide (1) Dimethyl Phthalate (1)
Dioxane (1) Diphenyl (1) Elco 28 Lubricant (1)
Ethyl Benzene (1) Ethyl Benzoate (1) Ethyl Chloride (1)
Ethyl Chlorocarbonate (1) Ethyl Ether (1) Ethyl Oxalate (1)
Ethyl Pentachlorobenzene (1) Ethylene Oxide (1) Ethylene Trichloride (1)
Freon 21 (1) Furan (1) Furfuryl Alcohol (1)
Gasoline, Automotive (1) Grease, Petroleum Base (1) Isopropyl Acetate (1)
JP 3 MIL-J5624 (1) JP 4 MIL-J5624 (1) JP 5 MIL-J5624 (1)
JP 6 MIL-J5624 (1) Lacquer Solvents (1) Lacquers (1)
Lindol, Hydraulic Fluid (Phosphate Ester Type) (1) Linoleic Acid (1) Lubricating Oils, Petroleum Base (1)
Maleic Acid (1) Methyl Acrylate (1) Methyl Bromide (1)
Methyl Butyl Ketone (1) Methyl Chloride (1) Methyl Ethyl Ketone (MEK) (1)
Methyl Isobutyl Ketone (MIBK) (1) Methyl Methacrylate (1) Methyl Oleate (1)
Methyl Propyl Salicylate (1) Methylene Chloride (1) MIL-F-25656 (1)
MIL-J 5624, JP-3, JP-4, JP-5 (1) Naphtha (1) Naphthalene (1)
Naphthalenic (1) Neatsfoot Oil (1) Nitric Acid (1)
Nitrobenzene (1) Nitrogen Tetroxide (1) Nitropropane (1)
N-Octane (1) Oleum (Fuming Sulfuric Acid) (1) Oronite 8200 (1)
Phenol (1) Phenylhydrazine (1) Phosphoric Trichloride (1)
Pine Oil (1) Propyl Acetate (1) Propylene (1)
Propylene Oxide (1) Pydraul, 10E (1) Pydraul, 230C, 312F, 540C (1)
Pydraul, 30E, 50E, 65E, 90E (1) Pyrogard 42, 43, 53, 55 (Phosphate Ester) (1) Rapeseed Oil (1)
Skydrol 500 (1) Steam to 350F (1) Stoddard Solvent (1)
Styrene Monomer (1) Sulfur Dioxide, Liquefied Under Pressure (1) Sulfur Trioxide (1)
Tertiary Butyl Mercaptan (1) Tetrabromoethane (1) Tetrachloroethylene (1)
Tetraethyl Lead (1) Tetrahydrofuran (1) Tetralin (1)
Toluene (1) Turpentine (1) Varnish (1)
White Pine Tar (1) Xylene (1) Acetaldehyde (0)
Aluminium Acetate (0) Ammonia, Anhydrous (0) Amyl Borate (0)
ASTM Fuel D (0) Benzoic Acid (0) Benzophenone (0)
Brake Fluid (0) Butadiene Monomer (0) Butane (0)
Butyl Carbitol (0) Butyl Cellosolve (0) Butyraldehyde (0)
Carbolic Acid (Phenol) (0) Cellosolve (0) Chlorine, Dry (0)
Crude Oil (Asphalt Base) (0) Cyclohexane (0) Diacetone Alcohol (0)
Epoxy Resins (0) Ethyl Acetoacetate (0) Ethyl Mercaptan (0)
Ethylene Dichloride (0) Freon 12 (0) Freon 502 (F22+F316) (0)
FREON R134A (0) Furfural (0) Hydrobromic Acid, Gas (0)
Hydrochloric Acid (0) Hydrofluoric Acid (0) Hydroquinone (0)
Kerosene (0) Liquefied Petroleum Gas (LPG) (0) Malathion (0)
Methyl Acetate (0) Methyl Cellosolve (0) Methyl Mercaptan (0)
Methylacrylic Acid (0) Oxygen, 200-400F (0) Propane (0)
Sodium Hydroxide (0) Soyabean Oil (0) Sulfur Chloride (0)
Sulfur Dioxide Gas, Dry (0) Sulfur Dioxide Gas, Wet (0) Sulfuric Acid (Concentrated) (0)
Turbine Oil (0)
Glossary
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