закаленное стекло

tempered glass features and usage: It is common glass again after processing becomes a kind of prestressed glass. Toughened glass compared with ordinary flat glass, it has two characteristics:1) the intensity of several times, tensile degrees are more than three times the latter, impact resistance is the latter 5 times more.2) Tempered glass not easily broken, even if broken by the form of particles is acute, body damage fracture is reduced greatly.Tempered glass is also called aggrandizement glass.It is heated to a definite temperature by quick cooling method after chemical method, or special processing glass. It is the characteristic of high strength, flexural strength and impact resistance strength than common glass high 3 5 times. Safety performance is good, have uniform stress, broken a net after. Mainly used for Windows and walls and ambry door between.