How to do good aluminum roll corrosion prevention work
- Jun 04, 2018 -

There is a layer of coating on the surface of the aluminum roll, and the coating plays a most important role in preventing corrosion.

(1) brush painting:

Brush coating can be used in a variety of coatings, as long as it is not less flat coating, this step mainly to allow the coating to infiltrate into the metal surface of the fine hole, can strengthen the metal adhesion.

(2) scraping:

This step, the requirement wants high point, use the paint that liquid purity is high, stickiness wants high, note wants to rise the common defect of coating (crack, shed, roll etc.) problem.

(3) dip:

Dip coating is a traditional coating method, easy to cause air pollution, must remember not to use volatile paint.

(4) spray coating:

Drench coating is to drench the coating onto the surface of the coating, although the operation is simple, the production efficiency is high, drench coating than the consumption of dip coating, will produce safety and dyeing problems, must pay attention to.

(5) spraying:

Spraying has advantages (uniform thickness, smooth appearance, high production efficiency), air pollution is not small.

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