... mashinery. Mainly fit for the manufacture of single-layer, double-layer and multi-layer of plastic materials like PVC, PS, OPP, ... plate, sheet, film, profile, pipe, pelletizing, etc.The extruder fits for thermoplastic film, pipe, plate, sheet, bar, profile, pipe, plastic ... PMMA, PVC and so on. Adopt different length to diameter ratios and compression ratios in screw aiming at various raw materials and ...