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Santoprene Physical Properties

 

Physical Properties Metric English Comments
Density 0.97 g/cc 0.035 lb/in³  TPE-0105 (ASTM D792)

Mechanical Properties
Tensile Strength, Ultimate 4.4 MPa 638 psi  TPE-0153 (ASTM D 412)
Elongation at Break 330 % 330 %  TPE-0153 (ASTM D 412)
100% Modulus 0.002 GPa 0.29 ksi  TPE-0153 (ASTM D 412)
Graves Tear Strength 19 kN/m 108 pli  at 23°C. Value at 100°C is 7.3 kN/m. TPE-0056 (ASTM D 624)
Compression Set 23 % 23 %  23°C, 168 hrs.; TPE-0016 (ASTM D 412)
Compression Set, Elevated Temperature 25 % 25 %  100°C, 168 hrs.; TPE-0016 (ASTM D 412)
Tensile Set 6 % 6 %  23°C, 168 hrs.; TPE-0053 (ASTM D 412)

Electrical Properties
Dielectric Constant 2.3 2.3  Frequency not specified
Dielectric Strength 19.6 kV/mm 498 kV/in  at 3.17 mm (0.125 in)

Thermal Properties
Maximum Service Temperature, Air 135 °C 275 °F  Continuous temperature Rating, 1000 hours
Brittleness Temperature Max -60 °C Max -76 °F  TPE-0089 (ASTM D 746)
Flammability, UL94 HB HB