... :2002, 9SQuality:100% virgin bayer material, 50 micron UV layer,10 years warranty,approved by ISO9001: 2002, ... SGS,RoHS,delivery time 7-15 daysFeatures: 1) Light ... resistance range: -40 ~ 120, C 4) Light weight: only 1/12 of the weight of glass ... same thickness 5) Ultraviolet resistance: with UV protective layer 6) Flame resistance: rated class B1 7) ...