ASTM C 1126光面或非光面硬质多孔酚醛热绝缘材料标准规范
日期:2012-02-08 15:45
I materials with an appropriate vapor retarder covering on the warm surface are used to a lower temperature limit of 290F (180C). (See 7.2.)
1.3 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 considered standard.
1.4 The main body of this specification covers Chlorofluorocarbons and Hydrochlorofluorocarbons free (ODP 0) closed cell rigid cellular phen
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