BS EN ISO 8501-1:2007 涂料和相關產品使用前鋼襯底的處理.表面清潔度的目測評估.未涂覆鋼襯底和徹底清除原有涂層后鋼襯底的銹蝕等級和制備等級
Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatin