B4 Phenolic Paper Superior Commercial Grade
B4 is a Phenolic Paper and has a high quality commercial grade for normal temperature.
Applications:
B4 has got low-tension electrical applications such as flash barrier, secondary insulation in switchgear, jigs, fixtures and mechanical components.
Availibility:
| Typical Size (mm) |
1220 x 1220 |
| Thickness (mm) |
0.8 through to 75 |
Specifications:
| Specidication |
BSEN60893-3-4-PFCP201 (Which supersedes BS2572 P1) |
Technical Specification:
| Property |
Unit |
Result |
| General Properties |
| Density |
g/cm3 |
1.35 |
| Water Absorption |
- |
175mg |
| Electrical Properties |
| IR (24hrs Water Immersed) |
GΩ |
0.07 |
| Electric Strength (Flat Rapid) |
MV/m |
4 |
| Electric Strength (Flat Step by Step) |
MV/m |
2 |
| Breakdown Voltage (Edge Step bu Step) |
kV |
11 |
| Tracking Index |
V |
110 |
| Mechanical Properties |
| Flexural Strength |
MPa |
195 |
| Tensile Strength |
MPa |
120 |
| Impact (Notched CHARPY) |
kJ/m2 |
4.5 |
| Thermal Properties |
| Thermal Rating Continuous |
ºC |
100 |
| Thermal Rating Intermittent |
ºC |
120 |
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