意义及用途

5.1 乳胶漆干燥得很快, 这通常会导致涂漆区域的最终外观变得困难, especially for paints formulated below 100g/L VOC, where the formulated latex paints contain a smaller amount of solvent. This method is a way to determine the time available before the test paint cannot be processed to the previously painted area.

ASTM D7488-16 乳胶漆开放时间的标准测试方法

步 1: 范围

1.1 This test method includes procedures for determining the length of time the latex paint remains “湿的” 或者 “open” enough to allow brushing in and repair.

1.2 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.