plastic granules and disposable tableware made of polyethylene, polypropylene against the background of a polymeric material. bpa

granulate granules hdpe bpa free heap background chemical chemistry extrusion factory grain high density isolated idpe industrial industry lab laboratory material molding pattern pehd peld pellets pet petrochemical pigment plastic polyethylene polymer polymeric dye polypropylene transparent pp production pvc raw re resin thermoplastic