HDPE mplies with FDA requirements for direct food ntact applications. It is also accepted by USDA, NSF and Canadian Department of Agriculture. HDPE sheets are 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