Detailed Product Description Extruder single-screwBlow molding ScrewThe rapid development of packaging industry, ... L/D1555Length: ≤18000mmscrew for producing foam With the wider used of foam products, widely used, the foam screw has been development! Our factories ... of the original design,Our foam screw main used in high-PP (low) foam, PVC micro-foam, EPS, XPS SpecificationΦ20mm300mmAspect radio: L/ ...