标准摘要
[中文适用范围]： 本文件规定了测定单层或多层涂层材料系统对液体或糊状产品影响的抵抗力的点样方法。 这些方法使测试人员能够确定测试物质对涂层的影响，并在必要时评估对基材的损坏。 [外文原描述]： ISO 2812-4:2017 specifies spotting methods for determining the resistance of an individual-layer or multi-layer system of coating materials to the effects of liquids or paste-like products. These methods enable the testers to determine the effects of the test substance on the coating and, if necessary, to assess the damage to the substrate.
英文名称Paints and varnishes — Determination of resistance to liquids — Part 4: Spotting methods