What's the Polyflute? Polyflute Sheet is a twin wall profile extrusion, connected by a series of vertical ribs, also called Coreflute, Corflute, Correx Sheet,Corex Sheet, PP coroplast Sheet, pp corrugated sheet. The polyflute sheet can be widely used in packaging, advertising, construction, agriculture, hardware, layer pad industry and others. The polyflute sheet is diversity in color, thickness, density,size, types. The thickness range 1.8MM-12MM, density 180gsm-3000gsm, maximum width 2300MM and length according to customer requirements. It can be made into trellis shape, S shape, W shape, X shape and so on. What's the working process of the Polyflute? The working process of the Polyflute Sheets mold closing→HP mold locking at low speed→moving the injection mount forward→injecting the melt→pressure-holding→the melt in the mold cooling(At the same time, plastified threaded rod step back with the injection mount, threaded rod revolve the plastic mater...