GB/T 18570.6-2005
Surface preparation of steel substrates before application of paints and related products — Tests for the assessment of surface cleanliness — Part 6: Sampling of soluble impurities — Bresle method
涂覆涂料前钢材表面处理表面清洁度的评定试验 第6部分:可溶性杂质的取样 Bresle法