1/16" x 48" x 48" HDPE Sheet . Cleaning & Industrial Rod & Shapes High Density Polyethylene (HDPE) Sheet 1/16" x 48" x 48" HDPE Sheet. 1/16" x 48" x 48" HDPE Sheet. Item 42593. In Stock. 37.27 /Sheet. Add to Cart. Overview. These sheets can be heat formed, shaped and welded to fabricate ducts, hoods, and much more. They have excellent rrosion