ASTM C520粒状疏松的填充隔热材料密度的标准试验方法
日期:2012-02-13 18:15
1.1 These test methods are applicable to granular loose fill insulation materials such as vermiculite and perlite. They are used for other insulation materials with similar flow and settling properties.
1.2 Method A shall be used to determine bulk density.
1.3 Method B shall be used to determine design density and, with Method A, is used to calculate percent loss of volume due to settling.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use.
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