Three hour composite fireproof glass is a fireproof glass with single-layer glass structure, which is mainly used for partition, fire compartment, outdoor curtain wall and other building parts of large public buildings. Through the long-term high-temperature ion exchange chemical treatment process, the three-hour fireproof glass has the advantage of low thermal expansion rate. It can keep the glass softened without breaking under high temperature for a period of time. By maintaining the integrity of the glass, it can hinder the open fire and toxic and harmful gases on the fire facing surface, but it can not be insulated.

Composite fireproof glass is composed of multi-layer glass sheets attached with inorganic fireproof adhesive layer, which has good fire integrity and fire resistance and heat insulation. In case of fire, the chemical substances in the middle of the composite fireproof glass absorb the heat of the flame and foam and expand, effectively preventing the heat and heat radiation generated by combustion from being transmitted from the fire facing surface to the back fire surface. In this process, the integrity of the glass is always maintained, forming an effective barrier against fire flame, smoke, high-temperature toxic gas, etc, Win valuable time for the rescue of life and property in the back fire area.

It is said that the wind has smelled the laminated composite fireproof glass stone with fireproof characteristics. It is a special kind of laminated glass, that is, the transparent adhesive between two or more pieces of glass, and the expanded flame retardant adhesive or fireproof film. Laminated composite fireproof glass stone with fireproof characteristics is a special laminated glass, that is, the transparent bonding material selected between two or more pieces of glass is intumescent flame retardant adhesive or fireproof film. When the laminated composite fireproof glass is exposed to the flame, it can become a barrier to the flame, can experience the load for about an hour and a half, can effectively limit the heat transfer on the glass surface, and become opaque after heating, so that residents can not see the flame or feel the temperature rise and heat wave when on fire, and avoid panic when scattering away from the site. The composite fireproof glass also has a certain thermal impact strength, and it still has maintenance function at about 800 ℃

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