1 Lm, injection, pipe etc grade. 2 Used for shopping bags, plastic wrap, water pipe, gas pipe and so on HDPE Raw Material,HDPE virgin granules HDPE resins are produced with low pressure gas phase process. The products are primarily used for extrusion application such as flat Yarn, coarse monofilament, film & sheets and injection molding such as pallets, crates, bottle caps and industrial ...