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. Applications •Food cutting boards •Corrosion resistant wall verings. •Pipe flanges •Lavatory partitions •Radiation HDPEelding