lexan polycarbonate sheet: 1.light weight 2.good light transmission 3.high inpact strength 4.high quality,reasonable price 1)Good light transmission: reaches 12%- 88% depend on color and thickness. 2) Impact resistance: 250-300 times that of ordinary glass and 20-30 times that of acrylic sheeting 3) Weather resistance: -40°C +120°C 4) Flame resistance: rated class B1 5) Light weight and easy installation: 1/12 of glass of the same thickness 6) Ultraviolet resistance: with UV protective layer 7) Sound and heat proof 8) Fine plasticity, either cold bending or hot bending 9) Anti-fog 10)effectively prevent the plate change yellow structures: