Frameless fireproof glass for building is divided into composite fireproof glass and single fireproof glass according to structure.

Composite fireproof glass: it is a special glass composed of two or more layers of glass, or one layer of glass and organic materials, and meets the requirements of corresponding fire resistance rating. Monolithic fireproof glass: it is a special glass composed of single-layer glass and meets the corresponding fire resistance rating requirements.

According to the structural type, fireproof glass can be divided into: fireproof laminated glass, thin coated fireproof glass, single fireproof glass and fireproof wired glass. According to the characteristics of production process, the fireproof laminated glass can be divided into composite fireproof glass and poured fireproof glass.

Composition and working principle of frameless fireproof glass

Composite fireproof glass (or fireproof laminated glass) is made by bonding and compounding two or more single-layer flat glass with intumescent flame retardant cement; Meanwhile, the pouring type fireproof glass is made of two or more single-layer flat glass, which is first sealed with frame strips, and then filled with fireproof liquid through the pouring port, cemented and sealed; At room temperature and in the early stage of fire attack, composite fireproof glass has the same light transmission function and decoration function as ordinary flat glass; After a fire, with the spread of the fire, the fire temperature rises, and the composite fireproof glass fireproof interlayer expands and foams when heated to form a very thick fireproof insulation layer, which plays the role of fireproof insulation and fireproof separation. However, the composite fireproof glass generally has some problems, such as small bubbles, poor cold resistance and poor light transmittance, which affect its application effect.

Thin coated fireproof glass is sprayed with fireproof transparent liquid on the surface of single-layer or multi-layer flat glass substrate, and then made into fireproof glass after drying and curing. When the thin coated fireproof glass meets fire, the fireproof protective layer expands by heating to form a dense fireproof protective layer to protect the substrate glass and prevent the spread of fire.

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