Produced by heating float glass to it’s softening point and then suddenly cooled down to form compression in the surface layer. Tempered glass has excellent thermal stability and 4 – 5 times stronger than ordinary glass.
What is tempered glass?
Tempered and Heat-strengthened glass are produced by heating float glass to its softening point and then suddenly cooled down to form compression in the surface layer. This process brings the surface pressure stress to over 90Mpa for tempered glass and 24 to 90Mpa surface pressure stress for heat-strengthened glass.
After tempering, the mechanical strength is now 4 to 5 times more than ordinary glass. And when broken, tempered glass breaks down into small granular parts which prevent substantial damage to our frail and human body. Tempered glass also has excellent thermal stability and can withstand up to 200C thermal shock and 3 times more heat than ordinary glass.
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