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Hypalon is the traenme of a clasof Chlorosulfonated Polyethylene (CSM). Hypalon has good to excellent resistance to dilute acids, alcohols, ozone, oxidation, weather, and sunlight. It is generally suited for static applications due to its limited compression set resistance.

Hypalon is suitable for dynamic and static seal of o-rings in the environment containing the following chemicals: Acetic Anhydride, Air below 200 C, Aluminium Chloride, Aluminium Flouride, Aluminium Nitrate, Aluminium Sulfate, Cold Gas Ammonia, Ammonium Chloride, Concentrated Ammonium Hydroxide, Ammonium Nitrate, Ammonium Persulfate Solution, Ammonium Sulfate, Amyl Alcohol, Beer, Bleach Liquor, Borax Solutions, Boric Acid, Butyl Alcohol, Calcium Carbonate, Calcium Chloride, Calcium Hydroxide, Calcium Hypochlorite, Calcium Nitrate, Calcium Sulfide, Carbon Monoxide, Carbonic Acid, Castor Oil, Tung Oil China Wood Oil, Citric Acid, Coffee, Denatured Alcohol, Diethylamine Glycol, Dow Corning 550, Dow Guard, Ethanol, Ethyl Alcohol, Ethyl Hexanol, Ethylene, Ethylene Glycol, Freon 11 (M), Freon 113, Freon 114, Freon 114B2, Freon 13, Freon 22, Freon 32, Freon C318, Freon TF, Gelatine, Glucose, Glycerin, General Glycol, Helium, Hydrobromic Acid, Hydrocyanic Acid, Hydrogen Gas, Iso Octane, Isobutyl Alcohol, Isopropanol, Lye, Mercuric Chloride, Mercury, Methane, Methanol, Methyl Alcohol, Milk, MIL-S-81087, Mineral Oils, Natural Gas, Gas Nitrogen, Oxalic Acid, Ozone, Potassium Nitrate, Potassium Sulfate, Propanol, Propyl Alcohol, Sea Water, Silicone Grease, Silicone Oils, Silver Nitrate, Sodium Bicarbonate, Sodium Carbonate, Sodium Chloride, Sulfurous Acid, Tannic Acid, Tartaric Acid, Tetrabutyl Titanate, Triethanolamine, Vinegar, Fresh Water, Whiskey.

O-Ring material Hypalon is usually suitable for static seal in the environment containing Acetamide, Hot Gas Ammonia, Ammonium Carbonate, ASTM Fuel A, ASTM Oil One, Automotive Brake Fluid, Benzene Sulfonic Acid, Benzyl Alcohol, Butter, Carbitol 2, Chloracetic Acid, Chromic Acid, Cod Liver Oil, Coolanol Monsanto, Corn Oil, Ethane, Ethyl Cellulose, Ethyl Diamine, Ethyl Formate, Ethyl Silicate, Formaldehyde, Freon 112, Freon 31, Gallic Acid, Heptane, Hexane, Hexyl Alcohol, Petroleum Base Hydraulic Oil, Hydrazine, Hydrogen Peroxide, Iodine, Animal Fat Lard, Linsed Oil, MIL-F-25558 (RJ-1), MIL-G-25760, MIL-H-5606, MIL-H-7083, MIL-L-25681, Type 1 Fuel MIL-S-3136, N-Pentane, Octyl Alcohol, Oleic Acid, Cold Oxygen, Peanut Oil, Petroleum Oil, Phosphoric Acid, Producer Gas, Transformer Oil Pyranol, Red Oil, RJ-1 (MIL-F-25558), Sucrose Solutions, Sulfur Hexafluoride, Tertiary Butyl Alcohol, Tetrachloroethane, Type A Transmission Fluid, VV-H-910, Wagner 21B Brake Fluid.

O-Ring material Hypalon is sometimes ok for static seal but not for dynamic seal in the environment containing chemicals such as Glacial Acetic Acid, Acetyl Chloride, Acetylene Gas, Acrylonitrile, ASTM Oil Three, Automatic Transmission Fluid, Benzine (Ligroin), Chlordane, Diesel Oil, Diethylamine, Dowtherm A, Fuel Oil, Isopropyl Chloride, Isopropyl Ether, Methyl Ether, MIL-R-25576 (RP-1), Monovinyl Acetate, N-Hexaldehyde, Nitroethane, Nitromethane, Radiation, RP-1 (MIL-R-25576), Stearic Acid.

Hypalon is not suitable for o-rings exposed in the environment containing chemicals such as Acetone, Acetophenone, Alkazene, Ammonium Phosphate, Amyl Acetate, Amyl Chloronaphthalene, Aniline, Aniline Oil, Animal Oil, Arachlor 1248, Argon, Aromatic Fuel 50%, Askarel Transformer Oil, ASTM Fuel B, ASTM Fuel C, ASTM Oil Four, ASTM Oil Two, Benzaldehyde, Benzene, Benzyl Benzoate, Benzyl Chloride, Bromine Gas, Bromobenzene, Bunker Oil, Carbon Disulfide, Carbon Tetrachloride, Chlorinated Solvents, Chlorine Dioxide, Chlorine Trifluoride, Wet Chlorine, Chloroform, Chlorosulfonic Acid, Chrome Plating Solution, Coal Tar Creosote, Creosylic Acid, Diacetone, Dibenzyl Ether, Dibutyl Phthalate, Dichloro-Butane, Di-ester Lubricant MIL-L-7808, Dimethyl Formamide, Dimethyl Phthalate, Dioxane, Diphenyl, Elco 28 Lubricant, Ethyl Benzene, Ethyl Benzoate, Ethyl Chloride, Ethyl Chlorocarbonate, Ethyl Ether, Ethyl Oxalate, Ethyl Pentachlorobenzene, Ethylene Oxide, Ethylene Trichloride, Freon 21, Furan, Furfuryl Alcohol, Automotive Gasoline, Petroleum Base Grease, Isopropyl Acetate, JP 3 MIL-J5624, JP 4 MIL-J5624, JP 5 MIL-J5624, JP 6 MIL-J5624, Lacquer Solvents, Lacquers, Hydraulic Fluid (Phosphate Ester Type) Lindol, Linoleic Acid, Petroleum Base Lubricating Oils, Maleic Acid, Methyl Acrylate, Methyl Bromide, Methyl Butyl Ketone, Methyl Chloride, Methyl Ethyl Ketone (MEK), Methyl Isobutyl Ketone (MIBK), Methyl Methacrylate, Methyl Oleate, Methyl Propyl Salicylate, Methylene Chloride, MIL-F-25656, JP-5 JP-4 JP-3 MIL-J 5624, Naphtha, Naphthalene, Naphthalenic, Neatsfoot Oil, Nitric Acid, Nitrobenzene, Nitrogen Tetroxide, Nitropropane, N-Octane, Oleum (Fuming Sulfuric Acid), Oronite 8200, Phenol, Phenylhydrazine, Phosphoric Trichloride, Pine Oil, Propyl Acetate, Propylene, Propylene Oxide, 10E Pydraul, 540C 312F 230C Pydraul, 90E 65E 50E 30E Pydraul, 55 (Phosphate Ester) 53 43 Pyrogard 42, Rapeseed Oil, Skydrol 500, Steam to 350F, Stoddard Solvent, Styrene Monomer, Liquefied Under Pressure Sulfur Dioxide, Sulfur Trioxide, Tertiary Butyl Mercaptan, Tetrabromoethane, Tetrachloroethylene, Tetraethyl Lead, Tetrahydrofuran, Tetralin, Toluene, Turpentine, Varnish, White Pine Tar, Xylene.