意义及用途

5.1 Paint formulation designers can use this practice to determine whether a given paint has the ability to form a film at low temperatures. This practice can be used to help determine the level of coalescence solvent needed to form a good film. Test method D3793 compares the porosity of a film stretched at room temperature with another film stretched and cured at low temperatures.

5.2 This practice does not provide absolute information, but merely a ranking of the selected series of paints.

5.3 This practice can provide a pass-fail scenario if known acceptable and unacceptable coatings are included in the test.

ASTM D7306-17 通过目视观察测试乳胶漆低温成膜性的标准实践

步 1: 范围

1.1 This practice specifies a laboratory procedure for evaluating the ability of latex paints to form uniform films at low temperatures without apparent defects.

1.2 以 SI 单位表示的值应被视为标准值. 括号内的数值仅供参考.

1.3 本标准并非旨在解决所有安全问题, 如果有的话, 与其使用相关. 本标准的使用者有责任建立适当的安全和健康实践，并在使用前确定监管限制的适用性.

1.4 该国际标准基于国际公认的标准化原则 “关于国际标准制定原则的决定, 指南和建议” 由技术性贸易壁垒委员会发布 (技术性贸易壁垒) 世界贸易组织.