意义和目的
5.1 干漆经常与自身接触, 尤其是在门窗领域, and can sometimes stick to itself (block) depending on its hardness, 压力, 温度, humidity and length of time the surface has been in contact. This rigorous test method can be used to subjectively compare and evaluate the adhesion resistance of paints.

ASTM D4946-2017 建筑涂料抗结块性测试方法

范围
1.1 This test method covers an accelerated procedure for assessing the face-to-face adhesion resistance of coatings for trade sales. Should not confused with D3003 adhesion resistance test method, this method involves the industrial coating on metal substrate block, also don’t be confused with D2793 test method, the method specifically involved in wood veneer and report the results on the basis of satisfactory or not, rather like the testing method by blocking tendency.

1.2 SI单位值应被视为标准. 括号内的数值仅供参考.

1.3 本标准无意解决与其使用相关的所有安全问题 (如果有的话). 该国际标准的使用者有责任建立适当的安全和健康实践, and determine regulations limit the applicability of before use.