... point and then cooling it down rapidy by air.During the instant cooling process, the exterior of glass is solidified due to rapid ... tempered glass is heated extremely, compressive stress is generated on the surface of glass which is as double as tensile stress ... white, various green, blue,grey and brown.SpecificationSize: maximum 2440mm X 3660mm, minimum 200mm X 300mmThickness: 3mm-15mm Tempered Glass