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HarbinAnodizing of aluminum, magnesium, and titanium alloys

HarbinChemical Conversion Coatings on Aluminum, Magnesium, and Titanium Alloys

HarbinFunctional Electroplating and Chemical Plating

HarbinMicro-arc oxidation of aluminum, magnesium, and titanium alloys

HarbinFunctional anodic oxide film on aluminum alloy

HarbinPattern Formation and Selective Processing

HarbinBluing of high-alloy steels, passivation of stainless steels

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HarbinAlodine coating

Conversion coating type: Alodine coating Application area: Primer for military‑grade coatings Partners: AVIC, Shandong AVIC, Hui, and other enterprises Advantages of the conversion coating: Both the natural‑color and yellow‑tinted coatings have been incorporated into MIL‑C‑5541E, the U.S. military standard for “Chemical Oxidation of Aluminum and Aluminum Alloys,” and are now widely adopted in domestic military specifications. Due to hexavalent chromium contamination, few manufacturers outside the southern military‑industrial complex currently employ this process, making it a relatively rare and specialized technology.

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HarbinMilitary-industrial complex

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Product Description

Conversion coating type: Alodine coating

Application Area: Primer for Military Product Coatings

Partners: AVIC, Shandong AVIC, and Hui, among other enterprises.

Advantages of conversion coatings: Both the natural‑color and yellow‑tinted films are specified in the U.S. military standard MIL‑C‑5541E, “Chemical Oxidation of Aluminum and Aluminum Alloys,” and are now widely adopted in domestic military standards. Due to hexavalent chromium contamination, with the exception of southern defense‑industry facilities, few other companies implement this process, making it a relatively rare technology.

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