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Steel structure
the main
of fire-resistant coatings:
1, the selection often ignore the environment of the building and the nature of use requirements.
2, open-air steel structure by the sun and rain, or high-rise buildings in the top steel structure of the upper part of the use of light-transmission plate, sun exposure, environmental conditions are more demanding, should choose outdoor steel structure fire
coating
. Fourth, the technical performance only meets the indoor requirements of the coating for outdoor use. Designers are often simply indicated the use of steel structure fire protection measures, can not be detailed description of which type of steel structure fire protection paint, in the construction of pure consideration of price, aesthetics and other issues, resulting in improper selection of fire paint phenomenon.
3, ultra-thin steel structure fire protection coating has become China's steel structure fire protection coating research and production units competing to develop hot spots, ultra-thin steel structure fire protection coating is generally solvent-based system, because compared with thick and thin-coated steel structure fire protection coating, ultra-thin steel structure fire protection coating decoration is better, thinner coating, the amount used in the project greatly reduced, thereby reducing the total cost of the project, is currently the market to promote the variety.
in the steel structure fire protection project, the phenomenon of one-sided pursuit of coating is getting thinner and thinner, one-sided publicity and promotion of ultra-thin coating phenomenon, which provides real and reliable safety and security for buildings is extremely unfavorable. Since ultra-thin steel structure fire protection coating mainly depends on the physicochemical reaction of organic components in the formulation, any factors affecting the carbon expansion properties of the coating will affect its final fire protection performance, it is difficult to ensure that after a long period of application can also provide more than 2.0h fire protection for components.
