ASTM D822用经过过滤的明光碳弧曝光装置测定涂料及相关涂层的标准规范
日期:2012-02-08 11:29
rc devices.
1.2 This practice does not cover enclosed carbon-arc exposures of paints and related coatings, which is described in Practice D 5031. Another procedure for exposing these products is covered by Practice D 3361, in which the specimens are subjected to radiation from an unfiltered open-flame carbon arc that produces shorter wavelengths and higher levels of short wavelength radiation than filtered open-flame or enclosed carbon arcs.
1.3 The values stated in SI units are to be regarded a
3/10 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
09/14 18:00