aluminum chromium-free passivation agent aluminum antioxidant

precoat a32 passivation for aluminum - ad international

PreCoat A32 Passivation for aluminum - AD International

PreCoat A32 is a trivalent chromium based passivation for aluminum. It creates a clear thin conversion layer on the aluminum substrate. Switching this hexavalent chromium free system is possible without major line modifications. PreCoat A32: Pas

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cn106702364a - chromate-free passivator for aluminium product, and preparation method thereof - google patents

CN106702364A - Chromate-free passivator for aluminium product, and preparation method thereof - Google Patents

The invention provides a chromate-free passivator for an aluminium product. A solution comprises the following raw materials components with the following contents: 60-150ppm of siloxane oligomer, 200-500ppm of hexafluorozirconic acid, 60-120ppm

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2015-a aluminum coating with chromium-free passivating_图文_百度文库

2015-A aluminum coating with chromium-free passivating_图文_百度文库

For the purpose of increasing corrosion resistance and improving surface quality, chromium-free passivation treatment was taken on the aluminum coatings on the magnesium alloy. As seen in Fig. 1(b), the SEM morphographies of passivated zirconate

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chromium-free passivation of vapor deposited aluminum surfaces - wiles, jacob grant

CHROMIUM-FREE PASSIVATION OF VAPOR DEPOSITED ALUMINUM SURFACES - Wiles, Jacob Grant

CHROMIUM-FREE PASSIVATION OF VAPOR DEPOSITED ALUMINUM SURFACES United States Patent Application 20110206844 Kind Code: A1 Abstract: A process for passivating a vapor-deposited aluminum layer on a substrate, including

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us5584946a - chromium-free conversion coating treatment of aluminum - google patents

US5584946A - Chromium-free conversion coating treatment of aluminum - Google Patents

The invention concerns a method of pretreating aluminum or aluminum alloy surfaces before application of a permanent corrosion-protective conversion coating treatment, in particular before phosphating in acidic phosphating baths containing zinc,

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cn103993303a - trivalent-chromium anticorrosive passivating solution of aluminium and aluminium alloy - google patents

CN103993303A - Trivalent-chromium anticorrosive passivating solution of aluminium and aluminium alloy - Google Patents

The invention discloses a trivalent-chromium anticorrosive passivating solution of aluminium and aluminium alloy. The passivating solution is an acidic aqueous solution with the pH of 3.7-4.2, and comprises the compositions: 16-30 g/L of a

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us5344505a - non-chromium passivation method and composition for galvanized metal surfaces - google patents

US5344505A - Non-chromium passivation method and composition for galvanized metal surfaces - Google Patents

A substantially chromium free composition and method for passivating a galvanized metal surface is disclosed. The passivation treatment which may be rinsed or dried-in-place includes phosphoric acid, boric acid and optionally molybdic acid....

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hydrophilic treatment for aluminum - betz laboratories, inc.

Hydrophilic treatment for aluminum - Betz Laboratories, Inc.

A hydrophilic coating for aluminum comprising a substantially chromium-free treatment including phosphoric acid, boric acid and optionally molybdic acid. *All are available from Betz Laboratories, Inc. of Trevose, PA. Example 1 Treatments A, B,

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aluminum anodizing chemicals factory, buy good quality aluminum anodizing chemicals products from china

Aluminum Anodizing Chemicals factory, Buy good quality Aluminum Anodizing Chemicals products from China

AL-100 Aluminum alloy trivalent chromium passivator Concentrated liquid for trivalent chromium passivation of aluminum Its anti-corrosion performance is superior to six valence chromium passivation. It is also...

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