Toughened glass safety building 4mm-25mm clear tempered glass

◪ Toughened glass is heat-glass processed by heating annealed glass to the softening point and then quenching it by uniform blast of air evenly to both surface.  
◪ The Toughened glass is subjected to a special heat-treatment of about 680 degree and afterwards cooled .If it is cooled rapidly, the glass is up to 4 times stronger than before. When it gets broken it chatters into many small fragments which will not lead to major injuries..
◪ Toughened glass safety glass are widely used in high requirements of mechanical strength and safety of places,such as glass door ,curtain wall of building,indoor     partition,elevator,window,building doors andfurniture,ome appliance and so on.