Chopped strand for thermoplastics is treated with a silane-based size and compatible with PP, PA, PBT, PET etc. Fiberglass chopped ... strands for engineering plasticFiberglass chopped strands for engineering plastic are made from E-glass, with ... corrosion resistance and sports apparatus, they are designed for reinforcing PP, PA, AS/ABS, PET, PBT, POM, PPS ...