标准摘要
[中文适用范围]： 本文件规定了测定三刺激值 Y 和 Y10 大于 25 的白色或浅色涂料涂层的遮盖力的方法，应用于黑白图表或无色透明箔。 在后一种情况下，三刺激值 Y 和 Y10 是在黑色和白色面板上测量的。 随后，根据这些三刺激值计算遮盖力。 本文件还规定了一种简单的方法，用于计算挥发物含量低、蒸发速度慢的涂料的铺展率，例如 EN 13300 中规定的内墙和天花板涂料。 [外文原描述]： This document specifies methods for determining the hiding power given by paint coats of white or light colours of tristimulus values Y and Y 10 greater than 25, applied to a black and white chart, or to a colourless transparent foil. In the latter case the tristimulus values Y and Y 10 are measured over black and white panels. Subsequently, the hiding power is calculated from these tristimulus values. This document also specifies a simple method for calculating the spreading rate for paints with a volatile matter content with low evaporation speed, e.g. coatings for interior walls and ceilings as specified in EN 13300.
英文名称Paints and varnishes — Determination of hiding power — Part 3: Determination of hiding power of paints for masonry, concrete and interior use