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Molecular formula : MW : CAS :
nature : the passive film inhibitor, on the metal surface oxidation, corrosion resistance generated with the passivation films, in the neighboring regions to achieve the proliferation inhibition purpose. Such inhibitors are : (a) chromate and dichromate, with iron and aluminum to form a stable passivation films; (2), nitrite, and the role of chromate corrosion performance similar to that applicable to the particular aluminum and aluminum alloy; (3) molybdate, toxicity small price cheaper, less passive role; (4) Tungstate and tungsten Heteropolyate, promising better performance than molybdenum.
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