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tempered glass 1.Thinckness:3-19mm 2.Max:7000*3300 Min:300*300 3.Hole available 4.Edge:Flat,Polished,Grind Tempered glass is a type of glass with even compressive stress on the surface which is made by heating float glass to nearly softening point and then cooling it down rapidy by air.During the instant cooling process,the exterior of glass is solidified due to rapid cooling while the interior ...