1/16 uv stabilized HDPE board seller-HDPE board 4×8, Custom HDPE Sheets -Marine Board, Fil, UV Resistant, Textured FDA 21CFR177.1520 Sec. 2.1, ASTM D4976, PE244, ASTMD1248 Type IV, Class A, Fed Spec LP512, Type 1, Class H, Grade 5 HDPE Marine Board UV Stabilized