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
the evaluation of test results. describes commonly used test conditions.
Note 1
Previous versions of this practice referenced carbon-arc devices described by Practice G 23, which described very specific equipment designs. Practice G 23 has been withdrawn and replaced by Practice G 151, which describes performance criteria for all exposure devices that use laboratory light sources, and by Practice G 152, which gives requirements for exposing nonmetallic materials in filtered open flame carbon-a
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09/14 16:17