Powders or synthetic fibers made of synthetic polymers, namely polycondensation fiber, polymerization fiber, polyaddition fiber, all not for textile use; insulating thermoplastic sheathing for building and construction; compound products made of synthetic fiber, natural fiber, and wood plastic composites (WPC), namely, thermal insulating material, acoustic insulating material, electrical insulating material, sealing material, packaging material, and cushioning material used as boards, blocks,...