a. Glass can be float glass, laminated glass, patterned glass, heat-absorbing glass, coated glass, tempered glass, curtain wall of steel and semi-tempered glass, colored glass. Float glass should comply with GB11614, the Zibo insulating glass, laminated glass should comply with GB9962, the glass should comply with GB9963, and walls of steel and half glass of compliance with GB17841. Other varieties of glass should conform to appropriate standards or agreed upon by both parties. In other words, if you buy it in the back of the insulating glass sandwich really is "empty", that undoubtedly explain the thermal insulation at cold performance or, at best, double glazing, thermal insulation effectiveness necessarily poor, low-e hollow Glass, scientific testing proved hollow glass Which is good, qualified hollow glass, can generally limit window heat transfer coefficient k value of 3.5 down to 2.8 from the original, the heat transfer performance degradation can make the room heat is not easily lost . Hollow glass market counterfeit, usually just the two pieces of glass held together simply, its thermal performance is undoubtedly very poor. Insulating glass manufacturers, sunshine hollow glass, glass Yaohui preferred by Jinan Glass Co., Ltd. Yaohui. Jinan Yaohui Glass Co., Ltd. (www.jyhhc.com/) strong, credible, in Jinan, Shandong architectural glass industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinan Yaohui into the brilliant glass and you work for a better future!