Cas:9002-88-4 Hdpe-high density polyethylene Grade: blow molding grade, injection molding grade, etc. High-density polyethylene (hdpe) or polyethylene high-density (pehd) is a polyethylene thermoplastic made from petroleum. It takes 1.75 kilograms of petroleum (in terms of energy and raw materials) to make one kilogram of hdpe. Application: make barrela, plastic bottle and bag, make all kind of pipes, make shading net, and make cable wire- The package is 25kg bag.