Stitch chopped strand mat glassfiber 1.molding processing 2.main material of boat, laminates, structure shapes... Stitch chopped strand mat glassfiber1. UsageStitch shopped strand mat is suitable for polyester, vinyl ester, phenolic and epoxy resins. The product is widely used in pultrusion, hand lay-up and RTM processing.Main terminal products: FRP boat hulls, laminates, structural shapes and ...