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寿县合兴钢结构浅谈钢结构防火涂料的分类

发布时间:2015-12-8 9:37:31 浏览次数:717
目前,随着GB - 2002《钢结构防火涂料14907通用技术条件》的分类、钢结构防火涂料的涂层厚度及性能特点不同可分:

超薄型,薄涂型和厚型三类。


超薄型钢结构防火涂料(CB类)涂层厚度不大于3mm,薄涂型钢结构防火涂料(B类)涂层厚度为3~7mm,这两种涂料在火灾时如何吸热膨胀发泡,形成泡沫状的碳化隔热层要阻止热量向钢结构传依次,延缓钢结构元,引起防火保护的作用。通常,这两种涂料为膨胀型钢结构防火涂料。


钢结构防火涂料的涂层厚度(H类)为7至45mm它们出现小粒状,密度,涂层就不出来。他低导热系数来元,钢结构,防火保护耐火极限的作用。0.5 ~这样就3.0h一般为钢结构防火隔热材料油漆。


其他两种涂料性能特性,分别不同情况适用。所有钢结构防火涂料又分室内和室外两种使用类型。


At present, along with the GB - 14907 "general technical conditions for steel structure fire protection coating 2002", the classification of steel structure, the coating thickness and the performance characteristic of the steel structure fire retardant coating:
Ultra thin, thin, thin, thick, three kinds.
Ultra thin steel structure fire retardant coating (CB) coating thickness is not greater than 3mm, thin coated steel structure fire retardant coating (B) coating thickness of 3 ~ 7mm, the two kinds of coatings in the fire how to heat the expansion of foam, the formation of foam type of carbon insulation layer to prevent heat transfer to steel structure, delay steel structure, the role of fire protection. Usually, these two kinds of coatings for the expansion type steel structure fire retardant coating.
The coating thickness of fireproof coatings for steel structures (H) of 7 to 45mm are small shape, density, coating it out. His low thermal conductivity, steel structure, fire protection, fire protection. 0.5 ~ so that the 3.0h is generally steel structure fireproof heat insulation material.
Other two kinds of coatings performance characteristics, respectively, different situations apply. All steel structure fire paint is divided into two types of indoor and outdoor use.


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