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topic 61167

Two new polymer-based seals for anodized Aluminum: Non-Hazardous, No metals

November 18, 2020

Q. I am currently developing 2 seals for anodized Aluminum that have no metals. The 1st will pass dye stain every time. This would be great for decorative Type II anodizing. The 2nd has added PTFE but at a low concentration. The PTFE will stay dispersed and suspended in this matrix, greatly reducing the cost of this PTFE seal. This would be good for jobs that need lubricity or hardcoat. They both will operate at 5% by volume and a pH of about 9 - 9.5 for 15 minutes. They are really outside the box but both work very well. For Architectural or automotive more testing needs to be done. The question: Is there a market for a product like these out there?
Comments Please...

Bill, Old Metal Finishing Chemist
- Georgia

November 2020

A. Hi Bill. We're very happy to post your inquiry and see what kind of responses you get to the question of whether there is a market for such products! And nice to meet an old hand :-)

sidebar But apologies, we must be very careful that postings do not serve as free ads or offer commercial benefit because we already receive hundreds of such every day which we don't post, and we can't do something which would encourage even more :-(

Please go to Facebook, check out their half-dozen or so 'groups' about plating, anodizing, and metal finishing, and see if you agree with my assessment that all of them has degenerated into a spamfest that is essentially unusable as a technical forum or place of camaraderie -- exactly what happened to the sci.chem newsgroups years ago. So, sorry, but we cannot print your name or contact info, and must delete the names of any responders who express interest in the products. I hate to make life more difficult for people, but I can't make it impossible for myself, our advertisers, and our readers :-(

Luck & Regards,

pic of Ted Mooney
Ted Mooney, P.E. RET - Pine Beach, New Jersey
Aloha -- an idea worth spreading

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