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被动防∞火系统部品

金特被动防火系统部品

一体化装配式防火风管

一体化装配式防火风管

标准规格：按工程设计

厚度：25mm、40mm

表观密度：≤15kg/㎡

燃烧性能：A1级

石棉含量：不含石棉

放¤射性核素限量：IRa≤0.5，Ir≤0.5

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