Table 1 - Silicone Rubber Fibreglass Sleeving Properties.
|
Property |
Test Method |
Value |
Operating Range
NEMA Rating
Normal Maximum |
Class C
BS 2757 |
-70°C to 250°C
180°C
200°C |
| Dielectric Strength |
ASTM D149 |
Dry
A-1 > 8000 V
B-1 > 4000 V
C-1 > 2500 V
Wet
80% of dry values |
Dielectric Constant
Dissipation Factor |
ASTM D150 |
3.2 Maximum
0.007 Maximum @ 1kHZ |
Insulation Resistance
Volume Resistivity |
ASTM D257 |
>1,000,000 Megohms/Ft
>1015 Ohm.cm |
| Corona Resistance |
ASTM D1868 |
Superior |
Tensile Strength
Elongation |
ASTM D412 |
>800 PSI
>350% |
| Fungus Resistance |
ASTM D621 |
Inert |
| Cold Brittleness |
ASTM D746 |
<-70°C |
| Flammability |
ASTM D876 |
Extremely Slow Burning |
| Radiation Resistance |
Gamma Dosage to
25% Degradation |
109 ERGS/GRAM |