Removing some powde...
 

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Removing some powdercoat on a bike frame

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I have mark on my frame which I think is just the paint but want to check to see if the frame is actually cracked before I decide what to do with it. What's the best way of removing a small section of the powder coat? I've heard somewhere that nitromors doesn't work on powdercoat?

 
Posted : 11/08/2025 10:11 am
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Scraper, like this; https://www.screwfix.com/p/stanley-window-scraper-20mm/247jw

 
Posted : 11/08/2025 10:25 am
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I'd probably use sandpaper or emery cloth for a small area rather than a scraper, but yeah some mechanical means rather than chemical. 

 
Posted : 11/08/2025 11:25 am
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Cheers both - all sorted with some emery cloth and no crack in the frame!

 
Posted : 12/08/2025 11:08 am
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Posted by: stevemorg2

Cheers both - all sorted with some emery cloth and no crack in the frame!

Result! Now awaiting follow up thread, "how to best repair a patch of missing powder coat" 

 
Posted : 12/08/2025 11:37 am
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Posted by: stevemorg2

Cheers both - all sorted with some emery cloth and no crack in the frame!

 

 

Result! Now awaiting follow up thread, "how to best repair a patch of missing powder coat" 

Probably better it’s been sanded down to bare metal, once water got into that crack, corrosion would have gradually lifted the powder coat off of more and more of the frame - that would have required the frame to be media blasted and re-painted.

Not something I have to worry about with the bike I’m currently riding, it doesn’t have much paint on, just a thin coat of Matt lacquer - it’s developing a nice patination… 🙃

 
Posted : 13/08/2025 12:23 am
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some Humbrol enamel paint has sorted it nicely!

 
Posted : 13/08/2025 1:07 pm

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