4 x 10 industrial sheet of hdpe export-HDPE Sheets for sale . HDPE/HDPP (high-density polyethylene and high-density polypropylene) is also non-toxic and non-staining. Plastic Sheets / Plastic Plywood. Sheet goods me in standard 4′ x 8′ sheets and range in thickness from 1/16″ to 3/4″. green hdpe plastic sheets 4 x 10 factory price--HDPE