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Epoxy glass fiber rod FR4

Epoxy glass fiber rod FR4

This product is made of epoxy resin and glass cloth. The model is 3240. It has high mechanical performance at medium temperature and stable electrical performance at high temperature. It is suitable for high-insulation structural parts for machinery, electrical appliances and electronics, with high mechanical and dielectric properties, good heat resistance and moisture resistance. Heat resistance class B (155 degrees).

Specification: Sheet: Thickness * Width * Length = 0.2~80mm*1200mm*1000mm


Color: yellow

made in China

technical parameter

project unit index
density g/cm3 1.7-1.9
Vertical layer bending strength Mpa ≥340
Vertical layer compression strength Mpa ≥350
Apparent bending elastic modulus Mpa ≥24000
Parallel layer shear strength Mpa ≥30
Tensile Strength MPa ≥300
Water absorption % <19
Relative permittivity (50HZ) / 5.5
Dielectric loss factor (50HZ) / 5.5
Comparative tracking index / ≥200
Parallel layer direction breakdown voltage (90±2℃ in oil) Kv ≥35
Flame resistance rating HB /
Heat resistance ≥150