Manufacture technical description of FRP pipe
一、Main raw materials for FRP production: including: Alkali free glass fiber surface mat Alkali – free glass fiber chopped primordial mat Alkali-free knitting felt Alkali-free glass fiber wound yarn Selection of quartz sand (for large-diameter and high-stiffness pipes) Structural resin (phenylene or m-benzene type unsaturated polyester resin) Lining resin (isobenzene unsaturated polyester resin, non-toxic resin … Read more