Chemical Compatibility for Kalrez FFKM equiv. O-Rings:

Acetaldehyde
Acetamide
Acetic Acid 20%
Acetic Anhydride
Acetone
Acetyl Bromide
Acetyl Chloride (dry)
Acetylene
Acrylonitrile
Adipic Acid
Alcohols = Amyl
Alcohols = Butyl
Alcohols = Diacetone
Alcohols = Ethyl
Alcohols = Hexyl
Alcohols = Isobutyl
Alcohols = Isopropyl
Alcohols = Methyl
Alcohols = Octyl
Alcohols = Propyl
Aluminum Chloride
Aluminum Chloride 20%
Aluminum Fluoride
Aluminum Hydroxide
Aluminum Nitrate
Aluminum Potassium Sulfate 100%
Aluminum Sulfate
Alums
Amines
Ammonia, anhydrous
Ammonium Acetate
Ammonium Bifluoride
Ammonium Carbonate
Ammonium Chloride
Ammonium Hydroxide
Ammonium Nitrate
Ammonium Oxalate
Ammonium Persulfate
Ammonium Phosphate, Dibasic
Ammonium Phosphate, Monobasic
Ammonium Phosphate, Tribasic
Ammonium Sulfate
Ammonium Sulfite
Ammonium Thiosulfate
Amyl Acetate
Amyl Alcohol
Amyl Chloride
Aniline
Aniline Hydrochloride
Antifreeze
Antimony Trichloride
Aqua Regia (80% HCl, 20% HNO3)
Arochlor 1248
Aromatic Hydrocarbons
Arsenic Acid
Barium Carbonate
Barium Chloride
Barium Cyanide
Barium Hydroxide
Barium Nitrate
Barium Sulfate
Barium Sulfide
Benzaldehyde
Benzene
Benzene Sulfonic Acid
Benzoic Acid
Benzol
Benzyl Chloride
Borax (Sodium Borate)
Boric Acid
Bromine
Butadiene
Butane
Butanol (Butyl Alcohol)
Butter
Butyl Amine
Butyl Phthalate
Butylacetate
Butylene
Butyric Acid
Calcium Bisulfide
Calcium Bisulfite
Calcium Carbonate
Calcium Chlorate
Calcium Chloride
Calcium Hydroxide
Calcium Hypochlorite
Calcium Nitrate
Calcium Oxide
Calcium Sulfate
Carbolic Acid (Phenol)
Carbon Bisulfide
Carbon Dioxide (dry)
Carbon Dioxide (wet)
Carbon Disulfide
Carbon Monoxide
Carbonic Acid
Chlorine (dry)
Chlorine, Anhydrous Liquid
Chloroacetic Acid
Chlorobenzene (Mono)
Chlorobromomethane
Chloroform
Chlorosulfonic Acid
Chromic Acid 50%
Chromium Salts
Citric Acid
Cloroxr (Bleach)
Copper Chloride
Copper Cyanide
Copper Nitrate
Copper Sulfate >5%
Copper Sulfate 5%
Cresols
Cresylic Acid
Cyclohexane
Cyclohexanone
Detergents
Diacetone Alcohol
Dichloroethane
Diesel Fuel
Diethyl Ether
Diethylamine
Diethylene Glycol
Dimethyl Aniline
Dimethyl Formamide
Diphenyl
Diphenyl Oxide
Epsom Salts (Magnesium Sulfate)
Ethane
Ethanol
Ethanolamine
Ether
Ethyl Acetate
Ethyl Benzoate
Ethyl Chloride
Ethyl Ether
Ethylene Bromide
Ethylene Chloride
Ethylene Chlorohydrin
Ethylene Diamine
Ethylene Dichloride
Ethylene Glycol
Ethylene Oxide
Fatty Acids
Ferric Chloride
Ferric Nitrate
Ferric Sulfate
Ferrous Chloride
Ferrous Sulfate
Fluoboric Acid
Fluosilicic Acid
Formaldehyde 100%
Formic Acid
Fuel Oils
Furan Resin
Furfural
Gallic Acid
Gasoline, unleaded
Gelatin
Glucose
Glue, P.V.A.
Glycerin
Glycolic Acid
Hexane
Hydraulic Oil (Petro)
Hydraulic Oil (Synthetic)
Hydrazine
Hydrobromic Acid 100%
Hydrochloric Acid 100%
Hydrochloric Acid, Dry Gas
Hydrocyanic Acid
Hydrocyanic Acid (Gas 10%)
Hydrofluoric Acid 100%
Hydrofluosilicic Acid 100%
Hydrogen Gas
Hydrogen Peroxide 100%
Hydrogen Sulfide (aqua)
Hydrogen Sulfide (dry)
Hydroquinone
Hydroxyacetic Acid 70%
Iodine
Isooctane
Isopropyl Acetate
Isopropyl Ether
Jet Fuel (JP3, JP4, JP5)
Kerosene
Ketones
Lacquer Thinners
Lacquers
Lactic Acid
Lead Acetate
Lead Nitrate
Lead Sulfamate
Ligroin
Linoleic Acid
Lithium Chloride
Lithium Hydroxide
Lubricants
Lye: Ca(OH)2 Calcium Hydroxide
Lye: KOH Potassium Hydroxide
Lye: NaOH Sodium Hydroxide
Magnesium Chloride
Magnesium Hydroxide
Magnesium Sulfate (Epsom Salts)
Maleic Acid
Maleic Anhydride
Malic Acid
Manganese Sulfate
Mercuric Chloride (dilute)
Mercuric Cyanide
Mercurous Nitrate
Mercury
Methane
Methanol (Methyl Alcohol)
Methyl Acetate
Methyl Acrylate
Methyl Alcohol 10%
Methyl Bromide
Methyl Butyl Ketone
Methyl Cellosolve
Methyl Chloride
Methyl Dichloride
Methyl Ethyl Ketone
Methyl Ethyl Ketone Peroxide
Methyl Isobutyl Ketone
Methyl Isopropyl Ketone
Methyl Methacrylate
Methylamine
Methylene Chloride
Monochloroacetic acid
Monoethanolamine
Morpholine
Motor oil
Naphtha
Naphthalene
Natural Gas
Nickel Chloride
Nickel Nitrate
Nickel Sulfate
Nitric Acid (50%)
Nitric Acid (Concentrated)
Nitrobenzene
Nitromethane
Nitrous Acid
Nitrous Oxide
Oils = Castor
Oils = Coconut
Oils = Cod Liver
Oils = Corn
Oils = Cottonseed
Oils = Creosote
Oils = Diesel Fuel (20, 30, 40, 50)
Oils = Fuel (1, 2, 3, 5A, 5B, 6)
Oils = Hydraulic Oil (Petro)
Oils = Hydraulic Oil (Synthetic)
Oils = Linseed
Oils = Mineral
Oils = Olive
Oils = Peanut
Oils = Pine
Oils = Rapeseed
Oils = Silicone
Oils = Soybean
Oils = Transformer
Oils = Turbine
Oleic Acid
Oleum 100%
Oleum 25%
Oxalic Acid (cold)
Ozone
Palmitic Acid
Pentane
Perchloric Acid
Perchloroethylene
Petrolatum
Petroleum
Phenol (10%)
Phenol (Carbolic Acid)
Phosphoric Acid (>40%)
Phosphorus Trichloride
Photographic Developer
Photographic Solutions
Phthalic Acid
Phthalic Anhydride
Picric Acid
Plating Sol., Chromium Plating: Barrel Chrome Bath 95°F
Plating Sol., Chromium Plating: Black Chrome Bath 115°F
Plating Sol., Chromium Plating: Chromic-Sulfuric Bath 130°F
Plating Sol., Chromium Plating: Fluoride Bath 130°F
Plating Sol., Chromium Plating: Fluosilicate Bath 95°F
Potash (Potassium Carbonate)
Potassium Bicarbonate
Potassium Bromide
Potassium Chlorate
Potassium Chloride
Potassium Chromate
Potassium Cyanide Solutions
Potassium Dichromate
Potassium Ferricyanide
Potassium Hydroxide (Caustic Potash)
Potassium Hypochlorite
Potassium Iodide
Potassium Nitrate
Potassium Permanganate
Potassium Sulfate
Potassium Sulfide
Propane (liquefied)
Propylene
Propylene Glycol
Pyridine
Pyrogallic Acid
Resorcinal
Salicylic Acid
Salt Brine (NaCl saturated)
Sea Water
Silicone
Silver Nitrate
Soap Solutions
Soda Ash (see Sodium Carbonate)
Sodium Acetate
Sodium Aluminate
Sodium Benzoate
Sodium Bicarbonate
Sodium Bisulfate
Sodium Bisulfite
Sodium Borate (Borax)
Sodium Bromide
Sodium Carbonate
Sodium Chlorate
Sodium Chloride
Sodium Chromate
Sodium Cyanide
Sodium Ferrocyanide
Sodium Fluoride
Sodium Hydrosulfite
Sodium Hydroxide (80%)
Sodium Hypochlorite (100%)
Sodium Metaphosphate
Sodium Metasilicate
Sodium Nitrate
Sodium Perborate
Sodium Peroxide
Sodium Silicate
Sodium Sulfate
Sodium Sulfide
Sodium Sulfite
Sodium Tetraborate
Stannic Chloride
Stannous Chloride
Stearic Acid
Stoddard Solvent
Styrene
Sulfate (Liquors)
Sulfur Chloride
Sulfur Dioxide
Sulfur Dioxide (dry)
Sulfur Trioxide
Sulfuric Acid (100%)
Sulfuric Acid (cold concentrated)
Sulfurous Acid
Tallow
Tannic Acid
Tartaric Acid
Tetrachloroethane
Tetrachloroethylene
Tetrahydrofuran
Toluene (Toluol)
Trichloroacetic Acid
Trichloroethane
Trichloroethylene
Trichloropropane
Tricresylphosphate
Triethylamine
Trisodium Phosphate
Turpentine
Uric Acid
Varnish
Vinegar
Vinyl Acetate
Vinyl Chloride
Xylene
Zinc Chloride
Zinc Hydrosulfite
Zinc Sulfate