The GPO 3 is made by high strength glass fibre mat impregnated with unsaturated polyester resin, after hot pressed moulding and pultruded, it can be formed into sheets and other shapes.
Number | Properties | Unit | Value | Testing Standard | |
Flexural Strength | Normal Condition | MPa | ≥180 | GB/T 5130-1997 | |
130℃±2℃ | ≥90 | ||||
Impact Strength | 52 | ||||
3 | Density | g/cm3 | |||
4 | Water Absorption | mg | |||
5 | Flammability | Glass | FV0 | ||
6 | Dielectric Strength (in 90±2℃ oil) | MV/m | ≥9.5 | ||
7 | Breakdown Voltage(in 90±2℃ oil) | kV | |||
8 | Permittivity (1 MHZ) | — | ≤4.8 | ||
9 | Dissipation Factor (1 MHZ) | — | ≤0.06 | ||
10 | Insulation resistance( Immerged in water for 24h) | Ω | ≥5.0x108 | ||
11 | Proof Tracking Index(PTI) | — | ≥550 | ||
12 | Arc Resistance | s | ≥180 | GB/T 1411-2002 |