Shop for HDPE sheets. HDPE sheet is used for applications that require greater strength and stiffness than LDPE (low density polyethylene). It is easy to weld using thermoplastic welding equipment. Common applications include industrial cutting boards, chemical tanks, playground systems, and marine construction. Custom cuts and cut-to-size pieces. Have machined into fabricated parts. HDPE comes in many colors. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.