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風管數控切割機
防火板風管下料機
防火板風管下料機

防火板風管下料機的勻質板濕阻因子越高,即表征材料的抗水汽滲透能力越強,水汽分子越難以深入材料內部,導熱系數升高越慢,絕熱材料使用壽命越長。對于初始導熱系數相同,濕阻因子不同的材料,在同樣的保溫厚度下,濕阻因子低的材料水汽分子會較快地進入材料內部,引起導熱系數升高,從而降低或失去隔熱能力,縮短使用壽命;要達到同樣的使用壽命,濕阻因子低飛材料只能依靠增加材料厚度來減緩水汽的滲透。

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