PHYSICAL PROPERTIES |
TEST METHOD |
UNITS |
VALUES |
Specific Gravity |
DIN 53479 |
g/cm ³ |
g/cm ³ |
MECHANICAL PROPERTIES |
|
UNITS |
UNITS |
Tensile strength |
DIN 53455 |
Kg/cm ² |
490 |
Tensile strength elongation |
DIN 53455 |
% |
56 |
Flexural strength |
DIN 53452 |
Kg/cm ² |
800 |
Modulus of elasticity |
DIN 53457 |
Kg/cm ² |
28.5 |
Impact strength (Izod notch) |
– |
Kg/cm/cm |
11.4 |
Hardness |
SHORE D |
– |
79 |
Vicat softening point |
DIN 53460 |
°C |
81 |
Hdt under load 264 PSI 18.2kg/cm² |
D-648 |
°C |
70 |
THERMAL PROPERTIES |
TEST METHOD |
UNITS |
VALUES |
Coefficient of thermal expansion |
DIN 52328 |
cm/cm/°c |
6.7 x 10¯⁵ |
Coefficient of thermal conductivity |
DIN 52612 |
W/km |
0.15 |
Flammability |
DIN 4102 |
– |
B-1 |
Flammability B.S. 476/7 |
– |
– |
CLASS 1 |
ELECTRICAL PROPERTIES |
TEST METHOD |
UNITS |
VALUES |
Dielectric constant at 50³ Hz |
DIN 53483 |
– |
4 |
Dielectric constant at 10⁶ Hz |
DIN 53483 |
– |
3 |
Volume resistivity |
DIN 53482 |
Ω/cm |
>10¹⁵ |
Suface resistivity |
DIN 53482 |
Ω |
>10¹⁴ |
CHEMICAL PROPERTIES |
TEST METHOD |
UNITS |
VALUES |
Water absorption (24 hrs) |
D53473 |
% |
<0.07 |