CR - Polychloroprene

Clwyd reference CR
ASTM classification CR
Typical applications
Advantages
Disadvantages
Available hardness range (Shore A) 35 - 95
Upper continuous service temp. 100°C
Min. temp. for sealing applications -40°C
Minimum non-brittle  temp.  -50°C
Tensile strength (up to) 23 MPa
Elongation at break (up to) 450%
Price Bracket Very low
ASTM 1 Oil Excellent
ASTM 2 Oil Good
ASTM 3 Oil Good
Kerosene Good
Liquid B None
Liquid 101 None
Phosphate ester None
Ketone Average
Toluene None
Iso-octane Average
Methanol Excellent
Acid (weak) Good
Acid (strong) None
Base (weak) Good
Base (strong) Average
Hydrogen sulphide Average
Steam Average
Ozone Good
Radiation Good
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