... rigidity,good flexibility. 3.excellent permeability. fiberglass needled mat fiberglass needled mat is a new fiberglass reinforced product.The needled mat be made ... kinds of FRP ,GRP process,such as filament winding,pipe winding,thank winding,handing lay-up,moulding,pultrusion process,etc ... . It's widly used to chemical corrosion resistance pipe,storage tank,cooling tower,FRP water tank,FRP sheet,FRP ...