In all kinds of metal surface treatment, mechanical processing, transportation and storage process, inevitably oxidation, produce a layer of oxidation layer thickness. At the same time, also vulnerable to various oil pollution and other impurities.

Oil and some adsorption, thinner oxidation layer can be cleaned with solvents, chemicals and machinery processing, chemical processing or use directly. For serious metal surface oxidation, oxidation layer of thicker, can directly with solvents washing and chemical processing, mechanical processing and best first.

Usually processed metal surface highly active, more easily by dust, moisture, again, such pollution. Therefore, after the treatment of metal surface should be as fast as possible to connect glue.

After the treatment of metal BaoGuanQi are as follows:

(1) the wet piating 72h; aluminum,

(2) chromate acid treatment of aluminium alloy, 6h,

(3) of the aluminum alloy anode processing, 30 days,

(4) Treatment of sulfuric acid  of the stainless steel, 20 days,

(5) piating, presents the steel,

(6) the wet piating 8h brass.

A, aluminum and aluminum alloy surface treatment methods

Defatted processing. Use absorbent cotton wet wipes, remove grease solvent for after cleaning of cotton cloth to wipe a few times. Solvent for: commonly inside trichloroethylene, acetic acid, acetone, ketone and gas, etc.