ASTM C 1134 部分浸入后刚性热绝缘材料水分保持标准试验方法
日期:2012-02-08 15:46
s for materials with different surface characteristics may not be directly comparable.
1.4 For most materials the size of the test specimens is small compared with the size of the products actually installed in the field. If the surface-to-volume ratios for the test specimens and the corresponding products are different, the test results may be misleading.
1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI
10/12 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
09/12 13:00