[ITEM SPECIFICATIONS] Material: UHMW Polyethylene, : Recycled, Color: Black, Clarity: Opaque, Thickness: 3/8″, Width: 12″, Length: 24″. [PERFORMANCE] This of UHMW is partially made from recycled materials, leaving a smaller carbon footprint. UHMW has a slippery surface that reduces wear and abrasion. Also known as «Machine UHMW». [TECHNICAL ATTRIBUTES] Tensile Strength: 4,300 psi, Impact Strength: No Break, Coefficient of Friction: 0.14, Water Absorption: 0.10%, Hardness: Rockwell M60, Density: 0.033 lbs/cu. in., Temperature Range: -65° to 180° F, Specifications Met: UL 94 HB. [VARIOUS APPLIANCES] UHMW Polyethylene is often used to make machine guards and chute liners.