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Aerogel fire retardant coating
Release time:
2024-07-26
SiO₂ aerogel fire retardant coating is coated on the surface of flammable substrates
SiO₂ aerogel fire retardant coating is coated on the surface of flammable substrates, which can effectively prevent heat transfer, reduce the flammability of the substrate, delay and even prevent the spread of fire, and can improve the fire resistance of the coated substrate. The fire prevention mechanism of SiO aerogel fire retardant coating mainly lies in the fact that SiO aerogel itself is a flame retardant substance, so that the coating has flame retardant characteristics. The pore size of SiO₂ aerogel is between 2-50nm, and the average free path of the main components of nitrogen and oxygen in the air is about 70nm. If the coating is dense enough, it can effectively prevent the direct contact between the protected substrate and the air. The extremely low thermal conductivity of SiO2 aerogel can greatly reduce the flame temperature, so that the protected substrate can not reach its own ignition point. With SiO₂ aerogel as the functional filler, it is evenly dispersed in the stable system of the coating. When the coating is applied to form a coating, it can effectively play a good thermal insulation protection, thereby improving its fire resistance and fire prevention. effect.
The fire retardant coating made of SiO₂ aerogel as the main functional filler can be adapted to many occasions to protect buildings, equipment, personnel safety, etc., and its fire retardant effect is far better than ordinary fire retardant coatings and other fire retardant materials.
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