ASTM C687测定松填建筑绝热材料热阻的标准规范
日期:2012-02-13 19:01
d in a manner consistent with the intended installation procedure. Products for pneumatic installation shall be pneumatically applied (blown), and products for pour-in-place installation shall be poured into specimen frames.
Loosefill insulation installed in attic applications will have heat flow up during the winter. At winter design conditions in many areas, the winter design temperature difference will cause convective heat transfer to occur within some loose-fill insulations. The procedure o
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