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PostPosted: Sat Jul 20, 2013 4:07 am 
Devout Dirtbag

Joined: Mon May 02, 2011 3:40 am
Posts: 146
Location: Osaka, Japan & Massachusetts, USA
I have a Reynolds 531 frame that I just stripped to the bare metal. I bought some enamel paint in a rattle can, that I am having doubts on. I might get it powder coated, but it could take a week or so. Would it be ok to leave it with out paint for that time of length?

Also would it be OK to do a quick build up and ride around the block on a bare metal frame?

Of course I would resand and degrease it after use.


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PostPosted: Sat Jul 20, 2013 7:24 am 
Old School Grand Master
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Joined: Sun Sep 05, 2010 1:10 am
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Location: Heathfield, East Sussex
If you have the frame powder coated they will blast-clean it first anyway so you may as well indulge yourself in the meantime 8)


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PostPosted: Sat Jul 20, 2013 7:53 am 
Retro Guru
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We_are_Stevo wrote:
If you have the frame powder coated they will blast-clean it first anyway so you may as well indulge yourself in the meantime 8)


From reading on here, not all the coaters follow that procedure ... :-(

WD :D


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PostPosted: Sat Jul 20, 2013 1:23 pm 
Old School Grand Master
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Location: Antwerp, Belgium
They should. Metal starts to rust as soon as it gets into contact with humid air. There's no way you can prepare the frame on the coater's behalf, he is the only one who can get it from the preparation to the primer in time.

If you want to know how fast, Gravy Monster's Kona Rat had some oxidation in a matter of hours, and it started to rust before his eyes the minute he applied some water.


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PostPosted: Sat Jul 20, 2013 2:18 pm 
Gold Trader / MacRetro rider
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Should be painter within half an hour of blasting


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PostPosted: Sat Jul 20, 2013 2:41 pm 
Retro Guru
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@ RB, I know they 'should' but from reading on here, not all of them do ... :lol:

I wouldn't have anything done at one that didn't though ;-)

WD :D


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PostPosted: Sat Jul 20, 2013 7:49 pm 
retrobike rider / Gold Trader
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Raging_Bulls wrote:
They should. Metal starts to rust as soon as it gets into contact with humid air. There's no way you can prepare the frame on the coater's behalf, he is the only one who can get it from the preparation to the primer in time.

If you want to know how fast, Gravy Monster's Kona Rat had some oxidation in a matter of hours, and it started to rust before his eyes the minute he applied some water.



Rat still going strong :lol:


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PostPosted: Sat Jul 20, 2013 8:05 pm 
retrobike rider
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Joined: Thu Apr 17, 2008 1:24 am
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Location: Manchester
Cover it with GT85!


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PostPosted: Sat Jul 20, 2013 10:34 pm 
National & North West AEC
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Location: Macclesfield Forest
If you want to keep the bare metal aesthetic without the rust, then anchor wax or boiled linseed oil are meant to be a good rust inhibitors.


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PostPosted: Sun Jul 21, 2013 10:53 am 
Retro Guru

Joined: Tue Dec 04, 2012 6:15 pm
Posts: 523
I've come across dragsters & funny cars in the past with bare steel frames and they rub bees wax on the to prevent rust.

Steel (& iron) want to return to there natural state (ore) and what you're trying to do is stop it happening by preventing it reacting with the oxygen in the air

In the past when I've left bare steel be it a bike frame or a car part for any length of time I've coated it in oil & wrapped it in cling film, or worse case spray a light coat of red oxoide paint on it.

Going back to you're original question, how long depends on many factors mainly the grade of steel and the environmental conditions which it's kept in.

Given the current heat wave you'll probably get away with leaving it for a couple of weeks but if the weather goes back to is typically damp self I wouldn't risk it for quite as long.


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