Properties |
|
Units |
Values |
Colour |
|
|
Brown |
Density |
|
g/cm^3 |
1.35 |
Water
Absorption |
1.6mm |
mg |
39 |
|
3mm |
mg |
47 |
|
6mm |
mg |
56 |
|
12mm |
mg |
70 |
|
|
|
|
Thermal
Properties |
|
|
|
Maximum
Working Temperature |
continuous |
°C |
90 |
|
intermittent |
°C |
120 |
Thermal
classification |
|
|
E |
Flammability
category |
|
|
- |
Thermal
conductivity through laminae |
|
W
/ (mK) |
0.2 |
Thermal
expansion in plane of laminae |
|
X10^-5
/ K |
20
- 40 |
Specific
Heat |
|
KJ
/ (kgK) |
- |
|
|
|
|
Mechanical
Properties |
|
|
|
Cross
Breaking Strength |
|
MPa |
175 |
-at
150°C (after 1 hour at 150°C) |
|
MPa |
- |
-at
150°C (after 100 hours at 200°C) |
|
MPa |
- |
Charpy
impact Strength |
un-notched |
kJ/m^2 |
- |
|
notched |
kJ/m^2 |
2.7 |
Compressive
strength |
flatwise |
MPa |
120 |
|
edgewise |
MPa |
- |
Resistance
to flatwise compression |
|
% |
1.2 |
Flexural
strength |
flatwise |
MPa |
80 |
|
edgewise |
MPa |
- |
Shear
Strength (flatwise) |
|
MPa |
105 |
|
|
|
|
Electrical
Properties |
|
|
|
Resistance
between plugs after 24 hours |
|
|
|
| storage in
water at 23°C |
|
Ohms |
10 |
Loss
tangent a 1MHz |
|
- |
0.037 |
Permittivity
at 1MHz |
|
- |
2.10 |
Dielectric
Constant Er |
|
- |
5 |
Comparative
tracking index (CTI) |
|
- |
100 |
|
|
|
|
Specifications |
|
|
|
BS2572
Type P3 |
|
|
|
BSEN
60893 Type 3 - 4 - PFCP206 |
|
|
|
