Location：
Material: epoxy resin and glass fiber cloth pressed together
Vertical laminar bending strength: under normal conditions, vertical laminar bending strength ≥340MPa
Parallel layer impact strength: ≥230KJ/m
Insulation resistance after immersion in water: ≥5.0×10^8Ω
Vertical layer to the electrical strength (in 90 ± 2 ℃ transformer oil, plate thickness of 1mm): ≥ 14.2MV/m
Parallel layer to the breakdown voltage (in 90 ± 2 ℃ transformer oil): ≥ 40KV
Relative dielectric constant (50Hz and 1MHz): ≤5.5
Dielectric loss factor (50Hz and 1MHz): ≤0.04
Water absorption (D-24/23, plate thickness 1.6mm): ≤19mg
Density: 1.70-1. 90g/cm3
Flammability: FV0
