EN50267-2-1电缆材料无卤测试

EN50267-2-1 Common test methods for cables under fire conditions-Tests on gases evolved during combustion of materials from cables-Part 2-1: Procefures-Determinaiton of the amount of halogen acid gas.
EN 50267-2-1 着火条件下电缆的通用试验方法，电缆材料燃烧时产生的气体的试验，第2-1部分：测定材料燃烧产生的气体的酸度。（BS EN 50267-2-1）

EN50267-2-1适用范围
EN 50267-2-1 Specifies the procedure for the determination of the amount of halogen acid gas,other than hydrofluoric acid, evolved during the combustion of compounds based on halogenated polymers, and compounds containing halogenated additives, taken from cable construction.

For reason of accuracy this method is not recommended for use where the amount of halogen acid evolved is less than 5mg/g of the sample taken.

this method is not suitable for defining compounds or materials described as"zero-halogen" or "halogen-free". for such compounds or materials,and all compounds or materials contains less than 5mg/g halogen acid equivalent, it is recommended to use specified in EN50267-2-2.

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 来源：防火网  发布时间：5/30/2014  点击次数：5708