... 2.Barrel and screw clear easily 3.good plasticizing performance extruder machine Application:1. Enhance modification: PP/PA/PBT/ABS/AS/PC ... ,CPE+ABS,PP+EPDM,PA+EPDM,PP+SBS3. Filling modification: PE/PP/EVA /etc with calcium carbonate, talcum powder, titanium powder ... /etc with flame retardants, additives,etc..5. Degradable masterbatch: PP/PE/PS/etc with starch, additives, etc. Feature:Barrel and screw ...