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Chemical Resistance of PUR (Polyurethane)

Substance Concentr. (%) Level of Resistance Substance Concentr. (%) Level of Resistance
Acetone   not resistant Magnesium chloride 30 resistant to a large extend
Alums   not resistant Methanol < 5 conditionally resistant
Aluminum chloride 10 resistant to a large extend Mythyl acetate   not resistant
Formic acid 30 not resistant Mythyl chloride   not resistant
Ammonia 10 resistant Methylethylketon   conditionally resistant
Ammonium carbonate   not resistant Mythylglycol   not resistant
Ammonium chloride   resistant to a large extend Mythylglycolacetate   not resistant
Aniline   not resistant Lactic acid 10 not resistant
ASTM-Oil I   resistant Mineral oil     conditionally resistant*
ASTM-Oil II   resistant Motor oil   not resistant
ASTM-Oil III   resistant Sodium Chloride 10 resistant to a large extend
ASTM-Fuel No. I   resistant Sodium Perchlorate Sol.   resistant
ASTM-Fuel No. II   conditionally resistant Sodium Hydroxide Sol. 10 resistant
ASTM-Fuel No. III   conditionally resistant Olive oil   resistant
Benzene   not resistant Ozone   resistant
Brake fluid ATE   not resistant Paraffin oil   resistant
Butanol   not resistant Perchlore ethylene   not resistant
Butyl acetate   not resistant Petroleum ether   resistant
Calcium chloride 40 resistant to a large extend Petroleum   resistant to a large extend
Chlorobenzene   not resistant Vegetable oils   resistant
Chloroform   not resistant Vegetable fats   resistant
Chloroprene   not resistant Phosphoric acid 50 not resistant
Chromic acid   not resistant Nitric acid 30 not resistant
Cyclohexan   conditionally resistant Hydrochloride acid, conc.   not resistant
Cyclohexanon   not resistant Cutting oil     conditionally resistant*
Diethyl-ether   resistant Carbon disulfide   not resistant
Diethylprestone   resistant Sulfuric acid 30 resistant
Diesel oil   resistant to a large extend Sea water   resistant
Dimethylformamide   not resistant Silver salts 20 resistant
Ferric-III-chloride 10 resistant to a large extend Tetrachloroethylene   not resistant
Acetic acid 20-80 10 conditionally resistant Carbon tetrachloride 100 not resistant
Ethanol 100 conditionally resistant Tetrahydrofuran   not resistant
Ethyl ether   conditionally resistant Toluene   not resistant
Ethyl-acetate   not resistant Trichloroethylene   not resistant
Ethylencloride   resistant to a large extend Xylon   not resistant
Freon 12   conditionally resistant

* for individual case, please verify

The information mentioned in this summary is given to the best of our own knowledge and based upon our long standing experience. But we would like to direct your attention to the fact, that the information is given without obligation. A final judgement can only be made in practice.

Freon 22   conditionally resistant
Glycerin   resistant
Glycol   resistant
Hydraulic oil SAE 90     conditionally resistant*
Hydrogen peroxide < 10 resistant
Isopropanol   not resistant
Potash lye 10 resistant
Bichromate of potash   resistant to a large extend
Potassium nitrate   resistant to a large extend
Potassium permanganate   not resistant
Kerosene   resistant

resistant resistant
resistant to a large extend resistant to a large extend
conditionally resistant conditionally resistant
not resistant not resistant
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Sealcon is the Exclusive Importer of HUMMEL products. We offer over 6,000 different Types and Sizes of RoHS Compliant Liquid Tight Strain Relief Fittings, Cord Grips, Cable Glands, Circular Connectors, Conduit System, Industrial Enclosures and Other Related Cable Management Products which are rated the best in the industry.
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