Unsaturated polyester glass fibre reinforces sheet moulding compound(SMC)
These series of products are sheet mould plastic that are made from unsaturated polyester glass fibre and many kinds of supporting materials .It has excellent moulding technics , low plastic shrunkage, excellent insulating/mechanical flame-retarding size stability properties .It can be used as insulating components of high voltage or low voltage electric appliances.

4331/4341/4343 unsaturated polyester glass fibre sheet mould plastic class B/F/F

Technical Index: Mould Shrink Rate: <=0.15%

Density:1.75-1.95g/cm 3 Water Absorption: <=20mg

Flexible Strength: >=170MPa Surface Resistance: >=10 6 -- 10 9 Ω

Heat Distortion TempA: >=240 ⁰C

Impact strength(Charpy in-notched): >=60KJ/ M²

Resistance normal: >=10M Ω

Dielectric strength in 90 ⁰C transformer oil: <=12.0MV/m

Arc resistance:180s (PTI) Creepage resistance: >=600V

Oxygen exponential:FVO Temperature Index: >=130/155/155