美利体育登录入口官网:BS EN ISO 8502-2:2017 在涂覆油漆和相关产品之前准备钢基材 评估表面清洁度的测试 实验室测定清洁表面上的氯化物
Preparation of steel substrates before application of paints and related products. Tests for the assessment of surface cleanliness. Laboratory determination of chloride on cleaned surfaces