ASTM D1499塑料用滤光明火碳弧型曝光装置的标准规范
日期:2012-02-08 17:00
pared to other materials or to a control.4 ,5 Therefore, exposure of a similar material of known performance (a control) at the same time as the test materials is strongly recommended. It is recommended that at least three replicates of each material be exposed to allow for statistical evaluation of results.
Test results will depend upon the care that is taken to operate the equipment in accordance with Practice G 152. Significant factors include regulation of line voltage, freedom from salt or
4/9 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
09/11 22:57