What's the PP Corrugated Coroplast Corflute Correx Box? PP Corrugated 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. The PP corrugated sheet can be widely used in packaging, advertising, construction, agriculture, hardware, layer pad industry and others. PP Corrugated Box as packaging and transportation material are generally used to replace cartons, general industrial products, agricultural products packaging, fruit packaging, precision electronics, instruments, finished products, original, LDI, LCD products , photosensitive materials packaging and transportation.also can design and development according to customer's request. What's the working process of the PP Corrugated Coroplast Corflute Correx Box? The working process of the PP Corrugated Coroplast Corflute Correx Box mold closing→HP mold locking at low speed→moving the injection mount forw