ASTM C687测定松填建筑绝热材料热阻的标准规范
日期:2012-02-13 19:01
stance are suitable for loose-fill products. These include Test Methods C 177, C 518, C 1114, and C 1363. Of these test methods, the heat flow meter apparatus, Test Method C 518, is preferred because of its lower cost and shorter testing time.
The thermal resistance of low-density insulations depend upon the direction of heat flow. Unless otherwise specified, tests shall be performed for the maximum heat flow condition, that is, a horizontal specimen with heat flow-up.
Specimens shall be prepare
9/18 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
07/03 20:19