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Touch Up Painting Steel Frame

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Touch Up Painting Steel Frame

Old 07-02-15, 08:07 AM
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mtb_addict
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Touch Up Painting Steel Frame

Hi,

It's a Gazelle Tour Popular Classic...with rod actuated drum brakes and Sturmy Archer 3-spd hub. Brand new from Dutchland. For the trip home from the bike shop, I tried to put it on my car bike rack. Fiasco! I scratched up the frame very badly in multiple places. Very pissed off with my own stupidity...I'm beating myself up this morning. (Why why did I put metal hose clamps on bike rack?!)

I will use it for commuting, so it may spend alot of time outdoor in the rain and humidity.

There're deep scratches on the frame. I can see the bare metal. Do I need to use primer?
If so, what kind of primer? And what kind of paint on top of it? Bike is black.

How do I prep the surface? Do I just use soap to wash the area before painting?

I've read that some people claim that water-based paint can cause rust.
I've some Tamiya acrylic paint for plastic models, but I think it's water-based.

Last edited by mtb_addict; 07-02-15 at 10:15 AM.
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Old 07-02-15, 08:58 AM
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Grand Bois
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I always use primer on bare metal. Primer sticks to metal. Paint sticks to primer. Even if the manufacturer claims that a paint needs no primer, I use it anyway.

I wasn't aware that Rustoleum made water-based paints. Their auto touch up paint is lacquer.
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Old 07-02-15, 09:00 AM
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Sorry, maybe it was Krylon instead. I read about it on a car website a while back about some people using cheap paint for cars to save money but end up causing rust.

Last edited by mtb_addict; 07-02-15 at 09:05 AM.
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Old 07-02-15, 09:57 AM
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The Tamiya paint will probably do just fine. I use acrylic artists paint to touch up bikes. I use Testors too. The acrylics will build up in several coats to "fill" the scratches. Then wax really well. I don't prime.

Oh yeah, the trick is to only paint and fill the scratch, not ov r printing onto the original finish. Black is easy.
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