Mechanical properties
Hardness Shore D
Sh. D
DIN 53 505
56 - 64
Ball pressure hardness
N/mm²
DIN 53456 H135/30
19 - 29
Tensile strength (23°C)
N/mm²
DIN 53 455
15 - 19
Elongation at break (23°C)
%
DIN 53 455
220 - 260
Tensile modulus (23°C)
N/mm²
DIN 53 457
1000
PV-limit 3 m/min
N.M/mm².min
--
23
PV-limit 30 m/min
N.M/mm².min
--
25
PV-limit 300 m/min
N.M/mm².min
--
31
Coëff. Of friction - statical
--
0.18
Coefficient of friction v-steel - Dynamic
ASTM D1894
0.15
Wear K.10-8
cm³.min/kg.m.h
--
7.1
Diametric shrinkage
%
--
1.6
Physical properties
Specific gravity
g/cm³
ASTM D4894
2.22
Water absorption
%
ASTM D570
0.013 - 0.015
Deformation after 24h at 23°C - 15 N/mm²
%
ASTM-D621
12.5
Deformation after 24h at 260°C - 4 N/mm²
%
ASTM-D621
4.8
Compr. Strength at 1% deformation (23°C)
N/mm²
DIN 53 454
8.2
Electrical properties
Dielectric strength
KV/mm
ASTM D149
11 - 12
Thermal properties
Coefficient of thermal expansion (20-100°C)
1/K.10-5
ASTM D696
12.7
Coefficient of thermal expansion (20-150°C)
1/K.10-5
--
10
Coefficient of thermal expansion (150-260°C)
1/K.10-5
--
13.4
Thermal conductivity (23°C)
W/K.m
DIN 52 612
0.46
Maximum Continuous operating temperature
°C
--
250
Minimum Continuous operating temperature
°C
--
-200
