GSO ISO 8501-1:2021
涂裝油漆和相關產品前鋼基材的準備 表面清潔度的目視評估 第1部分:未涂層鋼基材和全面去除預涂涂層后鋼基材的防銹等級和準備等級
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 prev...