tempered glass

1.One kind of high-strength glass that is heated to intenerate,then condensed quilckly by cold wind with the same thickness.
2The optical performance of tempered glass as well as the normal annealing glass, they also have good mechanical strength and bounce impact strength.
3.The mechanical strength of tempered glass is 3? times as powerful as normal annealing glass,bending strength of tempered glass is 2? times as powerful as normal flat glass.
4.The excursion of temperature that tempered glass can endure is 250--320

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