The current military specification for heavy phosphate coatings, MIL-DTL-16232, mandates the use of a hexavalent chromium final rinse for performance. Numerous non-hexavalent chromium rinses have been evaluated to date and none have provided performance comparable to hexavalent chromium. This paper will discuss the testing of additional non-hexavalent chromium final rinses and their corresponding performance.

Subject
Acids, Test methods, Coating removal, Zinc rich coatings, Coatings, Materials, Fluorides, Chromium, Spray coating, Manganese, Phosphates, Salt spray corrosion testing, Zinc
Government work published by the Association for Materials Protection and Performance (AMPP) with permission of the author(s). Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
2009
GOV
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