... OEM service offered CE,CSI,ASTM standard Tempered glass for windows and doorsTempered glass has a very good performance of anti ... changing from 200 to 300°C while normal glass can only afford change of 70100degree. It becomes ... less loss. OEM service and buyer lablel service offered.THICKNESS: 4mm, 5mm, 6mm, 7.2mm, 8mm, 9.2mm, 10mm ... ,please feel free to let us know. Tempered glass for windows and doors