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ASTM C950室外容器上刚性蜂窝式聚氨酯绝缘系统检修标准规范
日期:2012-02-13 19:25
ossible. The term foam applies to spray-applied polyurethane or polyisocyanurate (PUR or PIR) rigid cellular plastic only, and not to any other plastic insulation.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.4 This standard

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