91久久精品国产91久久性色tv_四房播色综合久久婷婷_av有码中文字幕_亚洲一级毛片在线播放

UV coated heavy use of water

      Heavy water is mainly used for UV coated plastic, metal and other surface UV-curing coating rework. During the spraying process, due to construction materials, techniques, processes and other aspects of factors, inevitably resulting in UV cured film has flaws, and even scrapped, then we should use the UV recoat spray of water to achieve 2 (UV recoating of water, not to remove the UV coating), without sanding, re-UV spray directly in the original film coating the surface of the water to form a cross-linked, so once again when spraying UV coating to achieve the desired results and performance, but also as the metals (such as: zinc, tin, copper, stainless steel, water and other alloy plating, etc.) surface treatment, excellent adhesion, can be boiled, salt spray test.