NR - Natural rubber

Clwyd reference NR
ASTM classification NR
Typical applications
Advantages
Disadvantages
Available hardness range (Shore A) 30 - 95
Upper continuous service temp. 80°C
Min. temp. for sealing applications -40°C
Minimum non-brittle  temp.  -70°C
Tensile strength (up to) 25 MPa
Elongation at break (up to) 600%
Price Bracket Very low
ASTM 1 Oil None
ASTM 2 Oil None
ASTM 3 Oil None
Kerosene None
Liquid B None
Liquid 101 None
Phosphate ester Good
Ketone None
Toluene None
Iso-octane None
Methanol Excellent
Acid (weak) Average
Acid (strong) None
Base (weak) Good
Base (strong) None
Hydrogen sulphide None
Steam None
Ozone None
Radiation Average
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