Semi-tempered glass

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Semi-tempered glass
Posting date : Dec 24, 2010
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69-
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Semi-tempered glass Semi-tempered glass is a kind of glass whose mechanical strength is strengthened by 25 times. It is made by heating and cooling treatment and its surface stress reaches 24-69MPO. Features of tempered glass Semi-tempered glass has other names, e.g. hot-reinforced glass and toughened glass. It differs from tempered glass in their surface compression stress. Its mechanical strength is 1.6-2 times than common annealed glass and its thermal stability is good. The flattening degree and light transmittance of semi-tempered glass is almost equal to that of common annealed glass and is better than that of tempered glass. It has a favorable flattening degree and has not spontaneous explosion phenomenon. Features: Safetyit will not injure personal safety because it only produces some fragments without sharp angle when breaking down. High strengththe resistance to impact of tempered glass is many times greater than that of common glass. Bending strengththe bending strength of tempered glass is 4-5 times greater than that of common glass. Flexibilitythe flexibility of tempered glass is 3-4 times greater than that of common glass. Optical propertyduring quenching, tempered glass may become slack in its stress but will not change its allowable temperature due to its high viscosity. Its allowable temperature is 250-320°C while common glass only can stand 70-100°C. Specification of tempered glass Maximum size: 2440mm×6000mm Minimum size: 200mm×300mm Thickness: 3-25mm Applicable scope of tempered glass It widely applies to the place where there is in need of safety and resistance to impact, for example, curtain wall of building, automobile, steamship, aviation and spaceflight, furniture, indoor decoration etc.

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