... with imported materials and by environmental methods and suitable to be used to clean the screws of injection molding machine, extruder, blow molding ... clean quickly the draff of ABS, PS, PE, PET, TPE, PP, PVC, PA, PBT, PC etc. this mould screw cleaner is a ... screws. It can obtain the best effect with a little quantity only. Thoroughly clean the surface of objective item or mould , press ...