1.100% Bayer Makrolon 2.50 micron UV-protection with 10 yrs warranty 3.ISO6007-2008 verified and SGS 4. 88% light transmssion Polycarbonate products profile:A: Polycarbonate sheet is a new kind of building material, which is strength, heat insulation and good light-transmission. Due to their excellent advantages, such as high impact resistance, good head good insulation, sound insulation, light ...