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Letter 9167
Seeking powder coat filler
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I am working on restoring a motorcycle and want to re-powdercoat
the frame. Unfortunately, there is a dent about 2 inches long in the
tube steel and I would like to smooth it out prior to coating. Is
there a material which can be used to fill in this large of an area
and still achieve proper bonding?
As I do not have the proper materials for doing this myself, I
would welcome suggestions as to where I could get this done in my
area.
Brian McDowell
- Hillsboro, Oregon
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Ed. note: A powder coater on
Letter 3801 recommended
Lab-Metal 24 oz
[link is to product info at Eastwood] as a good
choice for this, Brian. And Finishing.com's supporting advertiser
Dura-Chem
has developed a solvent-free filler specifically for powder
coating.
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Brian-
We have had good success with a product called
All Metal [link is to product info on Ebay]. Check out an
auto body or auto paint supply store, look for Bondo-type products
that have aluminum or titanium materials in the mix. They ARE out
there, sometimes hard to find, though. They are easy for you to apply
yourself, if you have any experience with
Bondo [link is to product info at Amazon] filling and
feathering.
Hope this helps...
Lynn Hughes
- Kent, Washington
++++++
Brian,
Please try a product called
Thermobond 3.
Coleen Sirois
Dura-Chem - Lake Elsinore, California

+++++++
I am interested in the discussion of filling underneath powder
coating. I am working on a project to convert a range of sheetmetal
parts from a painted to a powder coated finish. Unfortunately the
parts have very high cosmetic appearance standards and we have found
it impossible so far to find a filler that completely covers up
joints and fasteners under the surface of the powder coat without
leaving a visible line or indentation. This problem appears to be
electrostatic as it is visible before the powder is baked and does
not occur where there is continuous metal under the filler (e.g
around studs). We have tried a range of conductive fillers and it
seems the more conductive the surface the better, but we don't have a
solution yet. Can anyone suggest a product that works?
Tim McLean
- Melbourne, Victoria, Australia
+++++++
Three products have already been suggested on this page, Tim. I
think you should pick a vendor, like the site's supporting
advertiser, Dura-Chem, and work closely with that vendor to a
solution. Good luck.
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Ted Mooney, P.E.
finishing.com
Brick, New Jersey
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