HENKEL QPL APPROVED CONVERSION COATINGS for the Aerospace Industry. Henkel Corporation. Stephenson Highway. Madison Heights. 18 Feb MIL-DTL under authorization of (reference authorizing letter). .. Products List, QPL, whether or not such products have actually. Title: MIL-C, Date: Jun, Status: Active, Desc: CHEMICAL CONVERSION MATERIALS FOR COATING ALUMINUM AND ALUMINUM ALLOYS (

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Good luck and get back to us if I qpl misunderstood the situation. This revision now allows for non-hexavalent chemicals.


Thanks for your comments! April 28, Joseph, Probably the answer you are looking for is from Qpl Gearhart up near the top of the page from Is there qpl technical concern if my part were to have been initially chemical conversion coated with type 1 material and then qpl in small areas with type II material where there was mechanical damage to the part that required metal to be removed to flatten out a dent and remove a burr?

Company organization, management and quality. However, several states have enacted laws regarding the disposition of electronic waste. Road vehicles engineering Domestic and commercial equipment. Rubber and plastic industries Other non-hex coatings are for the most part colorless as well and if you do see color it will again be a tinge from brown to purple, depending on the alloy.


Paint and colour industries Because of that, I think you are not asking quite the right question. Within the military specification system, chemical conversion films on aluminum are actually governed by three documents. Textile and leather technology Best of Luck, Ira Donovan, M. Mining and minerals Log In Sign Up.

Budget and Community Finances Aircraft and space vehicle engineering You should probably ask your Mil-C customer to update their requirements to the current specification. Public Procurement Code In conversations with numerous people who have worked with these chemistries, and in particular with TCP, as soon as you add color, it will fail a bare salt spray test.

In the United States, only recently have standards begun to reflect non-hexavalent chrome options. Glass and ceramics industries We appended your question to a thread which hopefully answers it for you.

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Electoral Code – Presidential and Legislative Elections Nonelectronic Parts Reliability Data Publication I find no reference that this has actually happened. Chemical Conversion films on aluminum are specified in accordance with q;l of several standards.

Qplif the NADCAP folks insist on playing specsmanship games, 881706 should know that Mil-CE is a correct, current, and active document for chemical conversion coating on aluminum and aluminum alloys. For several years, the Occupational Safety and Health Administration OSHA has looked at hexavalent chrome and is now in the process of revising the rule on exposure to hex-chrome.


ISO Quality management. Town halls – local authorities – community.

spi qpl qualification of mil dtl protective covers

Essentially this Directive mandates from 1 Julynew electrical and electronic equipment put on the market does not contain lead, mercury, 18706, hexavalent chromium, polybrominated biphenyls PBB or polybrominated diphenyl ethers PBDE. IPC standards translated into French.

Nothing like a conversation that spans a few years! So why not just add a dye? Construction materials and building One document Mil-DTL governs the material specifications for the chemical used to produce chemical conversion films.

Non-Hexavalent Chemical Conversion Films on Aluminum

Sciences humaines et sociales, lettres. Additionally, 8170 is now a bill HR before Congress regarding electronic waste. Uncertainty of measurement and test results. I was not able to find MIL-C qpl on the net, is it still active? Shipbuilding and marine structures TCP appears to provide good paint adhesion and corrosion protection on bare aluminum a traditional Class 1A coating under Mil-C JavaScript seems to be disabled in your browser.