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How to remove powder coating from steel and aluminum

Q. I am an entrepreneur in India. I have a problem related to powder coating. I want to remove coating surface from steel & aluminium parts. Can any one please help me out. Is their any chemical , which is easily available, by which I can remove.

Avneesh Ahuja
Owner - Jagdishpur, Uttar Pardesh, India
2007

A. Hi, Avneesh. While we wait for an expert to help you, did you apply this powder yourself, or do you otherwise know the details of the powder? Thermosets liker polyester and epoxy may be a little different from each other, and thermoplastic powder coatings like nylon and Teflon can be very different. Hot caustics may be applicable to steel, but are not for aluminum. Solvents may work: Aircraft Stripper (methylene chloride) is noxious and toxic, but probably the all-around most powerful stripper and least harmful to the metal. Good luck.

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

A. Dear Avneesh,

Please let me know what kind of powder coating you are doing on steel & aluminum? And what is the Product and its Geometrical shape? Whether it is Epoxy primer and then Finish paint Coating like PU or or some oil base paint like synthetic one? Or you use any Intermediate coat like MIO or some other?

Similar Information is also required about Powder coating on Aluminum Surface!

Regards,

Sudhir J. Kshirsagar
- Pune, Maharashtra, India
2007

The cheapest & most effective method is sulfurIC ACID. Try it.

SHANKAR O KHANDELWAL
- COIMBATORE, Tamilnadu, India
2007

How to strip polypropylene powder from inside of steel tank

Q. How to remove polypropylene powder coating from inside of sheetmetal tank? Please share. We can burn the tank if no solution.

suresh biradar
- pune. maharastra. India
March 27, 2014

A. Hi Suresh. Thermoplastics like polypropylene are exceptionally resistant to acids, alkalis, and most common solvents. Hopefully another reader has a suggestion because I don't :-(

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
March 30, 2014

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