屌插屄粉色网站,极品美女的粉嫩小穴自慰,青青草原草最新在线视频,久久久日韩精品久久久久

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.