Help with raw frame

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3/20/2018 4:27 PM

I need help ! I used fine sand paper and paint stripper to raw my frame and it turned out really bright silver. I wanted it to be a dark grey raw and i dont know what went wrong or how to make it darker? This is pre clear coat. Photo

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3/20/2018 4:35 PM
Edited Date/Time: 3/20/2018 4:39 PM

Problem is, you used sandpaper. Not much you can do but paint it. You might be able to get lots of very fine (800+ grit) and wet sand it until it's highly polished, then oil it. Or heat it... But you'd need a very large oven.

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3/20/2018 4:38 PM

Mishinn_Control wrote:

Problem is, you used sandpaper. Not much you can do but paint it. You might be able to get lots of very fine (800+ grit) and ...more

Ok thanks by oil it do you mean just rub oil on it ?

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3/20/2018 4:40 PM

Yeah. But it needs to have the same sort of factory finish to the surreal that it had from the steel mill

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3/20/2018 4:42 PM

Mishinn_Control wrote:

Yeah. But it needs to have the same sort of factory finish to the surreal that it had from the steel mill

Cool, thanks man

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3/20/2018 4:51 PM
Edited Date/Time: 3/20/2018 4:52 PM

Np. Yeah.. if you can find some super fine same paper, use that and oil at the same time. Like soak the same paper and then sand. Keep adding oil periodically. It'll remove a lot of the scratches that are now reflecting light which makes it seem so bright. It seems counter intuitive but you want the steel to be as smooth as possible

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3/20/2018 6:52 PM

Blue it like a gun. That always looks good

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It’s all bmx

3/20/2018 10:25 PM

Or, give it a sick translucent kinda look with anodized spray paint! smile

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Scooter kid trying to ride a bike.
@scootereyn

3/20/2018 10:30 PM

Heat it up..best way to strip paint without changing factory color is sanblasting

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3/21/2018 4:43 AM

NateBrown62 wrote:

Heat it up..best way to strip paint without changing factory color is sanblasting

Sandblasting, most certainly, changes the "color" of the natural (steel mill produced) finish and look.

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3/21/2018 6:41 AM

Mishinn_Control wrote:

Problem is, you used sandpaper. Not much you can do but paint it. You might be able to get lots of very fine (800+ grit) and ...more

cxnnxr.street wrote:

Ok thanks by oil it do you mean just rub oil on it ?

Rub oil on it now to get the dust and coating off. Make sure you get that thing REALLY clean.

One of these attached to a cordless drill, and go at it:

Photo

Then see if you can find this:

Photo

That stuff will absolutely darken the frame color about a shade or two. I've been messing around with rawing my old frame and have finally gotten good results. Let me know if you need any other advice.

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BMX over 30: Eat clean, Stretch, and Pray.

3/21/2018 12:02 PM

NateBrown62 wrote:

Heat it up..best way to strip paint without changing factory color is sanblasting

Mishinn_Control wrote:

Sandblasting, most certainly, changes the "color" of the natural (steel mill produced) finish and look.

That really depends on the media used. I've blasted quite a few frames and parts and never had the metal affected

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3/21/2018 12:03 PM
Edited Date/Time: 3/21/2018 1:11 PM

adamnmexican wrote:

Blue it like a gun. That always looks good

You know, whats interesting about blueing is that it actually is eating away at the surface layer to create that finish. Not enough for it to really matter but I always thought it was more or less staining the steel rather than eating away the surface.

Youd need a lot of blueing agent...

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3/21/2018 12:30 PM

NateBrown62 wrote:

Heat it up..best way to strip paint without changing factory color is sanblasting

Mishinn_Control wrote:

Sandblasting, most certainly, changes the "color" of the natural (steel mill produced) finish and look.

NateBrown62 wrote:

That really depends on the media used. I've blasted quite a few frames and parts and never had the metal affected

Then you didn't "SANDblast". You "mediablasted"

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3/22/2018 6:33 AM

adamnmexican wrote:

Blue it like a gun. That always looks good

Photo
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BMX over 30: Eat clean, Stretch, and Pray.

3/22/2018 7:53 AM

Just keep going up in grits. You don't understand what fine is until you've got to 6000.

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3/22/2018 8:01 AM

jbales wrote:

Just keep going up in grits. You don't understand what fine is until you've got to 6000.

Agreed. I just figured he'd have a hard time finding the real fine stuff.

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3/22/2018 8:02 AM

jbales wrote:

Just keep going up in grits. You don't understand what fine is until you've got to 6000.

Wouldn't that just brighten it more? I feel like completely raw 4130 is pretty freaking bright. I know when I stripped my SE frame it had a dark coating (probably rust prevention) on it, and once I sanded that off it got bright. As I went up in grit and speed (once I switched to the cordless drill) It really just kept getting brighter and brighter.

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BMX over 30: Eat clean, Stretch, and Pray.

3/22/2018 8:07 AM

Tinted lacquer is the answer.

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