Polyplastics Co., Ltd. Polyplastics Co., Ltd., a global leader in engineering plastics, has launched PLASTRON (R) LFT (long fiber-reinforced thermoplastic) RA627P, an eco-friendly composite of polypropylene (PP) resin and long cellulose fiber which delivers low density, high specific rigidity, high impact strength, and excellent damping for a range of applications, including audio components (speaker diaphragms) […]