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Usage of Powder Coatings

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1.The process before coatings
In order to ensure the best coatings quality, the metal wares should be treated strictly, it should keep the metal wares in clean, dry and no oil stains.

A. To clean away all stains from the wares' surface, Re-moving oil (degrease ) and rust, which ensure the performance and quality of the coatings. The usual dirt includes: metal erosion (rust, oxide), weld residue, dust, alkali stains, oil stains and old coatings.

B. After cleaning away the stains, the surface needs some chemical process. Such as phosphatization, which can enhance the ability of anticorrosion and the coatings adhesion.

C. To use sandblasting or polishing to smooth the surface of the wares. Adjusting the smooth of the wares, which will improve the appearance and coating adhesion.

2.Coating
A. To have smooth powder stream, the Powder should be loosen before coating, so the special container is available.

B. Usually, the distance between spray gun and ware should be 15~30cm, quantity: 50~400g/min, pressure: 50~80kv, coating thickness: 50~70um.

C. Solidify temperature: 180℃~200℃/15min-30min.

3.Preservation
To keep away from wet, weight stress, and strong sunshine, and keep it dry. The term of validity is one year. Please check up carefully before using.

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