ASTM C1136隔热用柔性,低渗透蒸气阻化剂的标准规范
日期:2012-02-13 21:22
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Significance and Use
Entrapment of water in thermal insulation caused by condensation of water vapor that has penetrated into the insulation is detrimental to the thermal resistance of the insulation. For this reason, in certain installations where temperature and moisture conditions have the potential to create a vapor driving force toward the insula
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