ASTM C578硬质多孔聚苯乙烯热绝缘材料标准规范
日期:2012-02-13 21:42
ulation materials covered by this specification may be regulated by building codes that address fire performance. For some end uses, specifiers should also address the effect of moisture and wind pressure resistance. Guidelines regarding these end use considerations are included in Appendix X1.
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not consid
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