GRP Grating for Stair Tread with Black Nosing

Frp molded grating Glass fiber reinforced plastic (FRP) for short molded grating is A kind of unsaturated polyester resin (including benzene, o-type, vinyl and type phenolic resin and bisphenol A type, etc.) as the matrix, with glass fiber roving (alkali or alkali free) as the skeleton on the...