What are the installation steps of hollow laminated glass?
2025-01-15 From: Weifang Huajian Glass Technology Co., Ltd Browsing times:404
Hollow laminated glass is a composite glass composed of two glass plates and a sandwich material in the middle. The glass becomes hollow at a certain distance, which can prevent heat conduction and sound propagation. With the increasing demand for architectural performance, fire resistance has become an important performance index of hollow laminated glass.
As a kind of building material, hollow laminated glass has a direct bearing on the fire resistance of buildings. In case of fire, the fireproof performance of hollow laminated glass can effectively prevent the fire from spreading and protect people's lives and property. In order to better understand the fireproof performance of hollow laminated glass, we need to discuss it from the following aspects.
1, hollow laminated glass fire rating standards
In China, the building fire protection standard is formulated according to the national standard GB50016-2014 Code for Fire Protection Design of Buildings. According to the standard, the fire protection grade of building materials is divided into Grade A, B1, B2 and B3. The building materials with A-level fire resistance have good fire resistance Z, while the building materials with B3-level fire resistance have poor fire resistance. The fire rating standard of hollow laminated glass in China is B1.
2. Analysis of fire-proof characteristics of hollow laminated glass.
The fire resistance of hollow laminated glass is determined by its interlayer material. Sandwich materials usually use incombustible materials, such as rock wool, calcium silicate board, polyurethane foam and so on. When a fire breaks out, the interlayer material of hollow laminated glass will expand, blocking the cracks on the glass surface and preventing the fire from spreading. However, if the interlayer material can't play a normal sealing role, the fire-proof characteristics of hollow laminated glass will be affected.
In addition, because the interlayer material of hollow laminated glass is nonflammable, it has good heat insulation performance and prevents the fire from spreading.