... .Ten years guarantee 5:light weight polycarbonate sheet,pc sheet, polycarbonate hollow sheetProducts profile A: Polycarbonate sheet is a new kind of ... a long time.6, Sound Insulation The hollow from and polycarbonate resin offer significant advantage to the sound insulation.7, ... The raw materials of pc come from German named Bayer polycarbonate sheet Applications:1. Roofing light sheet and sunshade for ...