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外墙防火保温材料等级的划分
来源: 日期:2019-04-13 发布人:admin

山东广日建材有限公司在这里告诉大家,在我国,外墙保温材料主要被分为A级、B1级、B2级和B3级四个等级:

Shandong Guangri Building Material Co., Ltd. tells you here that in China, exterior wall insulation materials are mainly classified into four levels: A, B1, B2 and B3:

A级保温材料按照现行的《建筑材料燃烧性能分级方法》,A级为不燃材料,属无机保温材料。然而就目前市场上看,A级保温材料寥寥无几,屈指可数,只有玻璃棉、岩棉板、泡沫玻璃、玻化微珠几种。

Class A thermal insulation materials are inorganic thermal insulation materials according to the current "Classification Method for Combustibility of Building Materials". Class A is non-combustible materials. However, as far as the market is concerned, there are few class a insulation materials, only glass wool, rock wool board, foam glass and vitrified beads.

但与A级保温材料相比,较受市场欢迎的则是有机保温材料。这种被定性为B级的保温材料,分为三个等级,B1级是难燃,B2级是可燃,B3级是易燃。

However, compared with Class A thermal insulation materials, organic thermal insulation materials are more popular in the market. This kind of insulation material is classified as B grade, which is divided into three grades: B1 grade is flammable, B2 grade is flammable, and B3 grade is flammable.

B1级

Level B1

难燃保温材料,是根据该材料的耐火极限确定的,另外,不同部位的材料划分也有区别!比较常见的如经过特殊处理加了阻燃剂的EPS/XPS保温板等。

A1级防火保温材料

Flammable insulation material is determined according to the fire resistance limit of the material. In addition, the material division of different parts is also different. Common, such as EPS/XPS insulation board with flame retardant after special treatment.

B2级

Level B2

可燃保温材料,多见为EPS膨胀聚苯泡沫保温板与XPS挤塑板,也就是我们常说的普板。这种材料燃点低,并在燃烧过程中会释放大量有害气体。

Flammable insulation materials, mostly EPS expansion polystyrene foam insulation board and XPS Extrusion board, that is, we often say the general board. This material has low ignition point and releases a lot of harmful gases during combustion.

B3级

Level B3

易燃保温材料,这种多见为聚苯泡沫为主材料的保温材料,由于这种材料极易燃烧,目前已是被淘汰的外墙保温材料。

Flammable thermal insulation materials, which are mostly polystyrene foam materials as the main insulation materials, because this material is highly inflammable, it has been eliminated external wall insulation materials.

了解更多关于A1级防火保温材料的详情,欢迎关注我们公司的官网:

For more details about Class A1 fire-proof and thermal insulation materials, please pay attention to our company's official website:


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