burning off paint?

Brian MacKenzie said:

*hello, would burning off paint (spray paint) and stickers from a
steel unicycle frame with a butane torch weaken it at all? *

no, but the fumes will provably kill ya.

you will just make a sticky mess and burn your fingers in the process of
trying to scrape the paint off.

use the torch to soften up the stickers and scrape them off.
Then go out and get a spray can of paint stripper, spray it on, let it
set outside in the shade for about a half an hour and the paint will
scrape off down to bare metal with a pocket knife.

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Yeah, paint striper woks greak, powder coat or spray paint, they both
come off. I dunno if a troch would work, i do know when i cut my neeck
down it heated up so much like the 1" down from the neck all the paint
flaked off.

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Brian MacKenzie said:

*hello, would burning off paint (spray paint) and stickers from a
steel unicycle frame with a butane torch weaken it at all? *

Be careful, it could end up looking like 'this'
(http://tinyurl.com/bw6qb).

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Wheel Rider said:

*Be careful, it could end up looking like 'this'
(http://tinyurl.com/bw6qb). *

[gulp]

I'll try some paint thinner, thanks everyone!

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Brian MacKenzie said:

*[gulp]

I'll try some paint thinner, thanks everyone! *

Paint STRIPPER, big diffrence. Oh and dot get it on your hands..it
hurts........alot.

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Evan Byrne said:

*Paint STRIPPER, big diffrence. Oh and dot get it on your hands..it
hurts........alot. *

thanks for the tip, sounds like it comes from personal experience 🙂

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Brian MacKenzie said:

*thanks for the tip, sounds like it comes from personal experience 🙂
*

*looks at remains of hand*.......Yes it does.

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luckily my hands are so coated in anti-seize the paint stripper would
not corrode at all!

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Maybe the paint stripper and anti-seize will mix and catch fire.

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Evan Byrne said:

*Maybe the paint stripper and anti-seize will mix and catch fire. *

Would that fire be of an acceptable heat in order to a) burn off the
paint from the frame, and b) be cool enough not to damage the frame
itself?

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if its a steet frame, youl have to get it really really hot to screw it
up. as long as you dont heat enough to bend under gravity, it will just
cool down and reain its same strength and shape.

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i guess it's safe to assume that the paint will flake off, or at least
come off some how before the frame becomes damaged.

Thanks

It's a Coker frame...now to choose a completely undone colour...

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Lime green.

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Evan Byrne said:

*if its a steet frame, youl have to get it really really hot to screw
it up. as long as you dont heat enough to bend under gravity, it will
just cool down and reain its same strength and shape. *

This is wrong, you can alter the strength and toughness of the steel
without heating it this much, but not by giving it a quick pass with a
blow torch to strip the paint. I think that this method would result in
a lot of sticky burnt paint, just use paint stripper and a paint
scrapper.

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bah, iv goten stuff red hot in a forge and it seemed damn well as strong
as it was before.

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Evan Byrne said:

* it seemed damn well as strong as it was before. *

It seemed as strong? Did you test the piece to destruction under
carefully controlled conditions and assess the true stress/strain curve
to ascertain the Ultmiate tensile strengh? Did you consider that the way
in which the material is cooled is extremley important in controlling
the way in which its properties change? You can't just guess these
things.

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Evan Byrne said:

*bah, iv goten stuff red hot in a forge and it seemed damn well as
strong as it was before. *

It *seemed* as strong, you say? Well you've convinced me.

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pft.

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Paint burn-off is usually done on fixtures and hooks that are used in
powder coating, etc where they don't care about affecting the tensile
strength. It is also done in an oven where the temperature can be
controlled very closely.

Stripping is the answer.

Most powder coats are cured at about 360°F (If I remember correctly).
You would have to get over 450 or so to do some real damage. Some
tempering is done starting at 600°F. This doesn't leave much of a range
to hit to "burn-off".

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