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Polyurethane - Chemical Resistance

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Polyurethane (PUR or PU) is a polymer composed of organic units joined by carbamate or urethane links.

Note that polyurethane is not a uniform class of material. The chemical resistances listed below should always be checked with manufacturing data.  

Polyurethane - Chemical Resistance
Acetic acid 20 – 80 10% conditionally resistant
Acetone not resistant
Aluminum chloride 10%  vastly resistant
Aluminum Salts resistant
Ammonia 10% resistant
Ammonium carbonate not resistant
Ammonium chloride vastly resistant
Aniline not resistant
ASTM-Fuel No. I resistant
ASTM-Fuel No. II conditionally resistant
ASTM-Fuel No. III conditionally resistant
ASTM-Oil I resistant
ASTM-Oil II resistant
ASTM-Oil III resistant
Barium Salts resistant
Benzene not resistant
Bichromate of potash vastly resistant
Brake fluid ATE not resistant
Butanol not resistant
Butyl acetate not resistant
Calcium chloride 40% vastly resistant
Carbon disulfide not resistant
Carbon tetrachloride 100% not resistant
Chlorobenzene not resistant
Chloroform not resistant
Chloroprene not resistant
Chromic acid not resistant
Cutting oil conditionally resistant
Cyclohexan conditionally resistant
Cyclohexanone not resistant
Diesel oil vastly resistant
Diethylether resistant
Diethylprestone resistant
Dimethylformamide not resistant
Ethanol conditionally resistant
Ethyl alcohol 100% conditionally resistant
Ethyl ether conditionally resistant
Ethylacetate not resistant
Ethylencloride vastly resistant
Formaldehyde resistant
Formic acid 30% not resistant
R-12 dichlorodifluoromethane conditionally resistant
R-22 chlorodifluoromethane conditionally resistant
Gasoline resistant
Glycerin resistant
Glycol resistant
Hydraulic oil SAE 90 conditionally resistant
Hydrochlorid acid not resistant
Isopropanol not resistant
Jet-fuel resistant
Kerosene resistant
Kerosene resistant
Lactic acid 10% not resistant
Magnesium chloride 30% vastly resistant
Methanol < 5% conditionally resistant
Methylethylketon conditionally resistant
Mineral oil conditionally resistant
Motor oil not resistant
Mythyl acetate not resistant
Mythyl chloride not resistant
Mythylglycol not resistant
Mythylglycolacetate not resistant
Nitric acid 30% not resistant
Olive oil resistant
Ozone resistant
Paraffin oil resistant
Perchlore ethylene not resistant
Petroleum vastly resistant
Petroleum ether resistant
Phosphoric acid 50% not resistant
Potash lye 10% resistant
Potassium nitrate vastly resistant
Potassium permanganate not resistant
Sea water resistant
Silver salts 20% resistant
Soda lye 10% resistant
Sodium chloride 10% vastly resistant
Sulfuric acid 30% short-term resistant
Tataric acid < 10% resistant
Tetrahydrofuran not resistant
Toluene not resistant
Trachloroethylene not resistant
Trichlorethylene not resistant
Vegetable fats resistant
Vegetable oils resistant
Xylon not resistant
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