How to avoid the etch aluminum plates hurt primer _ aluminum plates _ etching

by:ShunDing     2020-05-23
How to avoid the etch aluminum brands hurt primer in aluminum plate corrosion tend to appear in the process of color in the base paint was damaged, in order to make etch aluminum panels finished products do not paint bottom leakage, sign factory tell you must do the following: 1. Cannot too shallow, etching depth depth is easy to cause has coloring of aluminum panels products in the subsequent paint scratched in the process of surface treatment. 2. Fill in the paint can't be too thick, can't afford to lose the liquidity. Is too thick paint faces more easily, are more likely to be polished hurt. 3. Fill paint after polishing, want to use the lacquer that bake, such as amino baking varnish ( Bake for 115-125 degrees) , also can use curing agent paint, lacquer is the most easy to throw away. 4. After fill paint should be dry enough cure time. 5. When polishing the strength should be uniform, try not to horizontal vertical littering. 6. There is also a very effective method is to advance and polishing, the first way is bright, the screen printing, corrosion, clean, paint filling process and pay attention not to scratch space, then the final polishing easier, some fine metal fill paint signs that are two light.
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