... compatible with PP, PA, PBT, PET etc. Fiberglass chopped strands for cement is made from E-glass, with Silane ... and alkali-resistant property, this fiberglass chopped strands is an idea material for cement reinforcement.SpecificationLength: 6mm, 12mm ... strength and alkali-resistant property, this fiberglass chopped strands is an idea material for cement reinforcement. SpecificationLength: 6mm, 12mm ...