ASTM C591非表面加工的硬质蜂窝状聚氨基甲酸乙酯绝热材料的标准规范
日期:2012-02-13 21:42
one depletion potential of 0 (ODP 0).
1.5 The table in the Annex A1 addresses requirements of unfaced preformed rigid cellular polyisocyanurate thermal insulation manufactured with HCFC blowing agent.
1.6 When adopted by an authority having jurisdiction, codes that address fire properties in many applications regulate the use of the thermal insulation materials covered by this specification. Fire properties are controlled by job, project, or other specifications where codes or government regula
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