Noval Tempered glass is produced by applying a special treatment to ordinary float glass after it has been cut to size and finished. The treatment involves heating the glass so that it begins to soften (about 620 degrees C) and then rapidly cooling it. This produces a glass which, if broken, breaks into small pieces without sharp edges. Our Tempered glass characteristic is high safety,heat stability and high strength . Specification : Thickness :3mm-19mm Min size : 150 x 150 mm Max.size: 2400 x 5100 mm Standard : GB/T 9963-1998 AS/NZS 2208-1996 EN 12150 JIS R 3206-1989 BS 6206