Mechanical properties
Hardness Shore D
Sh. D
ASTM D2240
64 - 68
Ball pressure hardness
N/mm²
ASTM D785
30
Tensile strength (23°C)
N/mm²
ASTM D638
14.7 - 27.5
Elongation at break (23°C)
%
ASTM D638
120 - 280
Coëff. Of friction - statical
--
0.06
Coefficient of friction v-steel - Dynamic
--
0.12
Physical properties
Specific gravity
g/cm³
ASTM D792
3.05 - 3.15
Water absorption
%
ASTM D570
0
Deformation after 24h at 23°C - 15 N/mm²
%
ASTM D621
7.6
Deformation after 24h at 260°C - 4 N/mm²
%
ASTM D621
12.4
Compr. Strength at 1% deformation (23°C)
N/mm²
ASTM D695
9
Volume resistivity
Ωcm
ASTM D257
107
Thermal properties
Coefficient of thermal expansion (20-100°C)
1/K.10-5
ASTM D696
11
Thermal conductivity (23°C)
W/K.m
ASTM C177
0.55
Maximum Continuous operating temperature
°C
--
250
Minimum Continuous operating temperature
°C
--
-200