ASTM C921热绝缘护套材料的性能测定的操作标准
日期:2012-02-13 19:15
rotection, and materials applied as vapor retarders.
1.2 This practice provides material and physical requirements, or both, for jackets. Guidance in selecting the proper jacket for a given application can be found in Guide C1423.
1.3 This practice does not cover field applied mastics or barrier coatings and their attendant reinforcements, nor does it cover jackets for buried insulation systems.
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parenth
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