HDPE sheet is often used to protect products from being scratched or dented. FDA 21CFR177.1520 Sec. 2.1, ASTM D4976, PE244, ASTMD1248 Type IV, Class A, Fed Spec LP512, Type 1, Class H, Grade 5. NOTE: Standard tolerances estimated at .060-.500 ± 5% .625-2.0 ±10%. These Sheets are 54"x 96" and Must HDPEp By Truck.