GB/T 8923.4-2013
涂覆涂料前鋼材表面處理 表面清潔度的目視評(píng)定 第4部分:與高壓水噴射處理有關(guān)的初始表面狀態(tài)、處理等級(jí)和閃銹等級(jí)
Preparation of steel substrates before application of paints and related products.Visual assessment of surface cleanliness.Part 4:Initial surface conditions,preparation grades and flash rust grades in connection with high-pressure water jetting
GBT8923.4-2013, GB8923.4-2013