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PVC塑胶地板有哪几种燃烧等级呢?

来源:http://www.srsjdb.com 日期:2020-03-19 发布人:admin
朋友们经常提到山东塑胶地板有防火阻燃的特性,其防火达到B1级。那么B1级是什么意思呢,PVC塑胶地板有哪几种燃烧等级呢?
Friends often mentioned that Shandong plastic floor has the characteristics of fire resistance and flame retardant, and its fire resistance reaches B1 level. So what does B1 mean? What are the combustion grades of PVC plastic floor?
1、建筑材料燃烧防火性能A级:不燃性建筑材料划分为A级,指的是几乎不发生燃烧的材料。
1. Class a fire performance of building materials: non combustible building materials are divided into class A, which refers to materials that hardly burn.
2、建筑材料燃烧防火性能B1级:难燃性建筑材料划分为B1级,难燃类材料有较好的阻燃作用。其在空气中遇明火或在高温作用下难起火,不易很快发生蔓延,且当火源移开后燃烧立即停止。
2. Building materials fire performance B1: the fire-resistant building materials are classified into B1, and the fire-resistant materials have better fire-retardant effect. It is difficult to start a fire in the air or under the action of high temperature, and it is not easy to spread quickly, and the combustion stops immediately when the fire source is removed.
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3、建筑材料燃烧防火性能B2级:可燃性建筑材料划分为B2级,可燃类材料有一定的阻燃作用。在空气中遇明火或在高温作用下会立即起火燃烧,易导致火灾的蔓延,如木柱、木屋架、木梁、木楼梯等。
3. Building materials fire performance B2: Combustible building materials are divided into B2, combustible materials have a certain fire retardant effect. In case of open fire in the air or under the action of high temperature, the fire will burn immediately, which is easy to cause the spread of fire, such as wooden columns, wooden roof frames, wooden beams, wooden stairs, etc.
4、建筑材料燃烧防火性能B3级:易燃性建筑材料划分为B3级,无任何阻燃效果,极易燃烧,火灾危险性很大。
4. Class B3 fire performance of building materials: the inflammable building materials are divided into class B3, which have no fire-retardant effect, are easy to burn, and have great fire risk.
从PVC塑胶地板防火等级划分标准来看,建筑材料燃烧防火性能B1级以上的PVC地板防火性能才算是质量合格,所以说PVC塑胶地板有防火阻燃的特性,因此,国家规定PVC塑胶地板防火等级必须是B1级或以上。
From the perspective of the fire rating standard of PVC plastic floor, the fire rating of PVC floor with the fire rating of building materials above B1 is qualified, so the PVC plastic floor has the characteristics of fire resistance and flame retardancy. Therefore, the fire rating of PVC plastic floor must be B1 or above according to the national regulations.
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