ASTM C612 隔热的矿物纤维块材和板材标准规范
日期:2012-02-13 18:52
ier and the purchaser.
1.2 For satisfactory performance, properly installed protective vapor retarder or barriers shall be used on below ambient temperature applications to reduce movement of water through or around the insulation towards the colder surface. Failure to use a vapor retarder or barrier can lead to insulation and system damage. Refer to Practice C1338 to aid material selection. Although vapor retarder properties are not part of this specification, properties required in Specificati
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12/27 13:51