LEXAN™ sheet (type LEXAN 9034 standard): In thicknesses of .125", Lexan™ 9034 sheet will transmit 86% of the light.LEXAN™ Sheet is UV stabilized, has a heat deflection temperature of 270 degrees F at 264 PSI, and has a smoke density rating less than 75. We carry black polycarbonate sheets in a variety of pre-cut sizes to satisfy the needs of many DIY projects, fabrication, or commercial construction projects. We can also cut to size. Our black polycarbonate sheets are opaque (non-transaprent) and are glossy on both sides. The term lexan is commonly used to describe polycarbonate. Get free 2-day shipping on qualified LEXAN, Glass & Plastic Sheets products or buy Building Materials department products today with Buy Online Pick Up in Store.