No passwords, no registration, no paywalls, no popups, no AI

As an Amazon Associate & eBay Partner we earn from affil links

finishing.com -- The Home Page of the Finishing Industry

Search our quarter-million Q&As

Home of the finishing HOTLINE since 1989

-----

Solution to prevent inside rust formation on tubing after powder coating?

October 16, 2013

Q. Hi,

I am doing powder coating on the outer surface of tube (material : Carbon Steel). But inside of the tube remain un-treated. After a period of time rust being generated at inside of the tube. If anyone have solution to prevent inside rust generation, please let me know.

Sapan Parida
- Aurangabad, Maharastra, India

A. Hi Sapan. Do you zinc phosphatize this tubing, by immersion, before the powder coating? If not, that's the first step in solving the problem.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Need quick confidential answers? $25
Need project assistance? $100/hr.
October 17, 2013

Sorry! Finishing.com is temporarily Read-Only.
Ted Mooney is retiring but I have several offers to take it over.
We're working hard to make sure we find it the best new home.

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: