... hydrolyze scratch and abrasion resistance it is UV resistance Good quality, low price Semotransparent Sanding Film1. Name: Sanding Film2. ... .8. Usage: This Sanding TPU Film can be used to make water bags , keyboard protector,phone case transportation trays,suitcase ... years after buried. TPU film is ECO-friendly, high wear and tear resistance, excellent bending resistance, high strength, easy for vacuum ...