Aloha, fun & authoritative answers -- no cost, no registration, no passwords, no popups
(as an eBay Partner & Amazon Affiliate we earn from qualifying purchases)

Where the
world gathers for metal finishing
Q&As since 1989

-----

Does powdery Alodine 5200 hurt adhesion?

When treating aluminum with Alodine 5200,sometimes after the product dries there is a powdery coating that is left behind. does this powder affect the paint adhesion?

Jean-Paul Popiel
- Winnipeg, Manitoba, Canada
2007

I would certainly expect so, and would expect that over-drying was the problem. Do you paint these parts or reject them? If you paint them, what have you found regarding adhesion? Thanks.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2007

(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: