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Physical Properties of Polyurethane

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Samples of both polyether and polyester were immersed for seven days at 75 degrees Fahrenheit. The rating was based on the volume change according to the following key:

(1) = Excellent  -  (2) = Good  -  (3) = Fair  -  (4) = Poor

Chemical Ether Ester Chemical Ether Ester
Acetaldehyde 4 4 Acetic Acid 4-3  
Acetic Anhydride 4 4 Acetone 4 4
Acetyl Bromide 4-3 4 Acetyl Chloride 3-4 4
Acetylene 2-3 3 Adipic Acid 1 2
Aluminum Chloride 2 2 Aluminum Sulphate 2 2
Aluminum Sulfide 2 2 Ammonia 2 2-3
Ammonium Acetate 3-4 3-4 Ammonium Carbonate 2 2
Ammonium Hydroxide 1-2 2 Ammonium Nitrate 2 2-3
Ammonium Persulfate 2 2 Ammonium Sulfate 2 2
Ammonium Sulfide 2 2 Ammonium Thiocyanide 2 2
Amyl Acetate 4 4 Amyl Alcohol 3 3-4
Amyl Chloride 3 3 Aniline 4 4
Aniline Hydrochloride 4 4 Animal Fats & Oil 2-3 2-3
Antimony Salts 2 2 Aqua Regia 4 4
Arsenic Salts 2-1 2 ASTM Oil #1 1-2 1
ASTM Oil #2 2 1 ASTM #3 2 1
ASTM Reference Fuel A 1 1-2 ASTM Reference Fuel B 2 2
Atlantic Oil 1 1-2 Barium Carbonate 2 2
Barium Hydroxide 1 2 Benzaldehyde 3-2 4
Benzene 4 4 Benzene (Gasoline Aromatic) 2-3 3
Benzoic Acid 2-3 3-4 Boric Acid 1 2
Bromine 2-3 2-3 Bunker Oil 1-2 2
Butane 1 2-3 Butyl Acetate 4 4
Butyl Alcohol 2 3 Calcium Carbonate 2 2
Calcium Chloride 1 2 Calcium Hydroxide 1 2
Calcium Nitrate 2 2 Calcium Sulfate 2 2
Carbon Dioxide 1 1 Carbon Disulfide 2-3 2-3
Carbon Monoxide 1 1 Carbon Tetrachloride 3 4
Caster Oil 1-2 2 Chlorine 2-3 2-3
Chloroacetic Acid 3-4 4 Chloroform 4 4
Chromic Acid 3-4 4 Chromium Potassium Sulfate 2 2
Citric Acid 2 2 Cottonseed Oil 1 2
Cresol (meta) 4 4 Cupric Chloride 1 2
Cupric Nitrate 2 2 Cupric Sulphate 2 2
Cyclohexanone 4 4 Cyclohexane 2 2
Dibutyl Phthalate 3-4 4 Dibutyl Ether 2 2
Dichlorobenzene (Ortho) 3 3 Dodecyl Mercaptan 2-3 2
Diester Oil 2 2 Dimethyl Acetamide 4 4
Dimethyl Formamide 4 4 DTE Oil (heavy, medium) 2 2-3
Etner 2-3 2-3 Ethyl Acetate 4 4
Ethyl Alcohol (Etnanol) 3 2-3 Ethyl Bromide 3 3-4
Ethyl Chloride 3 3-4 Ethylene Glycol 2 2-3
Esso # 90 Lub. Oil 1 2 Ferric Chloride 2 2
Ferric Nitrate 2 2 Ferrous Chloride 2 2
Ferrous Sulfate 2 2 Formaldenyde 3 2
Formic Acid 3-4 4 Freon, 12 or 113 1 2
Fuel Oil 2 2 Gasoline 2 2-3
Glycerine (Glycerol) 1 2 Glycolic Acid 2 2-3
Greases 1-2 2 Heptane 1 2
Hexane 1 2 Hydrazine 4 4
Hydrobromic Acid 2 2 Hydrocarbon Oil 1 2
Hydrochloric Acid, 20% 2 2-3 Hydrofluoric Acid 2-3 3
Hydrogen 1-2 2 Hydrogen Peroxide 2 2
Hydrogen Sulfide 3-4 4 Hydrolodic Acid 2 2
Hydrogen 1-2 2 Hydrogen Peroxide 2 2
Hydrogen Sulfide 3-4 4 Hydrolodic Acid 2 2
Iodine Solution 1 2 Isooctane 2 2
Isopropyl Alcohol (Isopropanol) 2-3 3 Isopropyl Ether 2 2-3
JP- 4 Oil 2-3 3 JP- 5 & 6 2-3 3
Kerosene 2 2-3 Lactic Acid 2 2
Lead Acetate 2 2 Linseed Oil 2 2-3
Lubricating Oil 2 2-3 Magnesium Hydroxide 1 1-2
Magnesium Salts 2 2 Malaic Acid 3-4 4
Mercury 1-2 2 Methyl Alcohol (methanol) 4 3
Methyl Ethyl Ketone 4 4 Methylene Chloride 4 4
Mil- D- 5606 Oil 3 3-4 Mil- L- 7808 1-2 2-3
Mineral Oil 1 1 Mobil Artic Oil 1 2
Naphthalene 2 2-3 Natural Gas 2 2
Nickel Salts 3 3-4 Nitric Acid 4 4
Nitrobenzene 4 4 Nitrogen 1 1
Oleic Acid 1-2 2 Oxalic Acid (5%) 1 1-2
Oxygen 1 1 Ozone 1 1
Palmitic Acid 1 2 Paints 1-2 2
Perchloric Acid 4 4 Perchloroethylene 3-4 4
Petroleum 1-2 2 Phenol (carbolic acid) 4 4
Phosphoric Acid (dil.) 2-3 3 Phosphoric Acid (conc.) 3 4
Potassium Cyanide 1 2 Potassium Salts 2 2
Propane 2 2 Propyl Alcohol 2-3 3
Propylene Glycol 2 2 Pydraul Oil 4 4
SAE # 10 Oil 4 4 Seawater 1-2 2
Silicic Acid 2-1 2 Skydrol Oil (500) 2-3 2-3
Silver Nitrate 2 2 Soap 2-3 2-3
Sodium Acetate 1-2 2 Sodium Bicarbonate 2 2
Sodium Bisulfate 2 2 Sodium Borate 2 2
Sodium Carbonate 2 2 Sodium Chlorate 2 2
Sodium Chloride 2 2 Sodium Cyanide 2 2
Sodium Dichromate 2 2 Sodium Ferrocyanide 2 2
Sodium Fluoride 2   Sodium Hydrosulfite 2 2
Sodium Hydroxide, 45% 2 2 Sodium Nitrate 2 2
Sodium Silicate 1-2 2 Sodium Sulfate 2 2
Sodium Sulfide 2 2 Sodium Hypochlorite, 5% 4 4
Sperry Oil 2 2-3 Steam 4 4
Stoddard Solvent 1 2 Styrene 2 2
Sulfur Dioxide 2 2-3 Sulfuric Acid, 10-50% 3-4 4
Tannic Acid, 10% 1 2 Tartaric Acid 1 2-3
Tin Salts 2 2 Titanium Salts 2 2
Toluene 4 4 Transformer Oil 2-3 3
Trichloroacetic Acid 4 4 Trichloroethylene 4 4
Tricresyl Phosphate 3-4 4 Triethanol Amine 2 2
Trisodium Phosphate 2 2 Turpentine 3 2
Urea 2 2 Varnish 2 2-3
Vegetable 1 2 Water 2 2
Xylene 3 3-4 Xylol 3-4 4
Zinc Chloride 2 2 Zinc Sulfate 2 2

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Precision Urethane
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Hempstead, TX 77445

800-475-2072