ISO 8501-1:2007 涂料和相關(guān)產(chǎn)品使用前鋼襯底的制備.表面清潔度的目測(cè)評(píng)估.第1部分:未涂覆鋼襯底和徹底清除原有涂層后鋼襯底的銹蝕等級(jí)和制備等級(jí)
Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previou