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Tempered Glass

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More Strength, More Safety
        TempTAG is made by heating glass to its approximate softening point of 700 °C and then blowing air across the suface of the glass to quickly cool it. The surface of the glass cools first, causing it to contract as it hardens.The interior of the glass, cool more slowly, delaying its contraction. As a result the already hardened surface layer resists the contraction of the interior of the glass,setting up a compressive stress layer in the glass surface and coresponding tensile stress layer in the interior of the glass.TempTAG is 3-5 times stronger than ordinary glass, the broken glass will shatter into small pieces without sharp cutting edges. TempTAG is highly resistant to thermal stress.

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Note for Heat strengthened and Tempered glass   :
Heat strengthened glass and Tempered glass have potential risk of spontaneous breakage. AGC cannot guarantee spontaneous breakage due to characteristics of glass.For tempered glass, AGC strongly recommends to apply heat soak test to reduce the risk of spontaneous breakage. The Official NiS Disclaimer document is available onความรู้เกี่ยวกับผลิตภัณฑ์