Cheap PriceList for Curved Glazing - Tempered Glass – Xinxingye
Cheap PriceList for Curved Glazing - Tempered Glass – Xinxingye Detail:
Tempered or toughened glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass. Tempering puts the outer surfaces into compressionand the interior into tension. Such stresses cause the glass, when broken, to crumble into small granular chunks instead of splintering into jagged shards as plate glass (a.k.a. annealed glass) does. The granular chunks are less likely to cause injury.
Tempered glass is physically and thermally stronger than normal glass. The greater contraction of the inner layer during manufacturing induces compressive stresses in the surface of the glass balanced by tensile stresses in the body of the glass. For glass to be considered tempered, this compressive stress on the surface of the glass should be a minimum of 69 megapascals (10,000 psi). For it to be considered safety glass, the surface compressive stress should exceed 100 megapascals (15,000 psi). As a result of the increased surface stress, if the glass is ever broken it only breaks into small circular pieces as opposed to sharp jagged shards. This characteristic makes tempered glass safe for high-pressure and explosion proof applications.
It is this compressive stress that gives the tempered glass increased strength. This is because annealed glass, which has almost no internal stress, usually forms microscopic surface cracks, and in the absence of surface compression, any applied tension to the glass causes tension at the surface, which can drive crack propagation. Once a crack starts propagating, tension is further concentrated at the tip of the crack, causing it to propagate at the speed of sound in the material. Consequently, annealed glass is fragile and breaks into irregular and sharp pieces.
Any cutting or grinding must be done prior to tempering. Cutting, grinding, and sharp impacts after tempering will cause the glass to fracture.
|AS/NZS 2208:1996ANSI Z 97.1:2009ASTM C 1279 & ASTM C1048BS6206:1981||CLEARLOW-IRON||5-6||300*300||3300*7000|
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Often customer-oriented, and it's our ultimate target to become not only probably the most reputable, trustable and honest provider, but also the partner for our customers for Cheap PriceList for Curved Glazing - Tempered Glass – Xinxingye , The product will supply to all over the world, such as: Slovakia , South Korea , Australia , With a wide range, good quality, reasonable prices and stylish designs, our items are extensively used in this field and other industries. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
By Lillian from Dominica - 2017.11.01 17:04
The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
By Hedy from Paraguay - 2017.11.11 11:41