Sign oil-water separation

The method of oil-water separation can save labor and time when filling. The method is to apply a thin layer of Vaseline to the convex surface after etching the convex surface, and then paint, after the paint is dried, heat it with hot water for 50 ° C. Vaseline can be dissolved. At this time, the paint film on the convex surface can be shoveled off with the end face of plexiglass and plastic sheet, and then polished with fine sandpaper. The key here is that vaseline should be thin and not overflow, and it will be processed when it is coated with Vaseline. Badge production class government agencies military large hanging emblem small hanging emblem School Badge Medal/commemorative coin badge production, using the method of oil-water separation, when filling, can save labor and time, the method is when etching convex graphics, apply a thin layer of Vaseline to the convex surface, then paint, dry the paint and heat it with hot water for 50 ° C. Vaseline can be dissolved. At this time, the paint film on the convex surface can be shoveled off with the end face of plexiglass and plastic sheet, and then polished with fine sandpaper. The key here is that the vaseline should be thin and not overflow. When the Vaseline is applied, the processed graphic board is placed in a box containing water, and the water surface exceeds the board surface (1 ~ 3) Mm, then apply a thin layer of Vaseline evenly on the surface of leather roller or hard plastic roller, and roll Vaseline on the convex surface by using the principle of oil-water separation, the concave surface has water, the Vaseline can not be rolled on the concave surface and only rolled on the convex surface. After drying, the paint can only be glued on the concave surface.

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