Powder-coating - Surface Preparation ?
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From: North Carolina
Powder-coating - Surface Preparation ? When powder-coating an item, like an aluminum intake manifold, is it better to leave the surface "as-cast" or to have a smooth, polished finish ?
I want a "rough" or "wrinkled" finish on the powder-coat and I want it to be durable.
I want a "rough" or "wrinkled" finish on the powder-coat and I want it to be durable.
We sand blast all the parts we manufacture to give the powder coat a nice, clean surface to attach itself to. If you aren't able to sand blast the item I would definitely clean it with some kind of degreasing solution at a minimum. Having a clean surface will allow the powder coat to stick to the item better and will offer a better overall finish.
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Glenn ***
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Glenn ***
Sales Tech
www.bmrsuspension.com
813.986.9302
Find a Quality alignment shop near you!
Last edited by BMR Sales2; Mar 17, 2014 at 09:11 AM.
Thread Starter
TECH Enthusiast
Joined: Apr 2010
Posts: 651
Likes: 10
From: North Carolina
We sand blast all the parts we manufacture to give the powder coat a nice, clean surface to attach itself to. If you aren't able to sand blast the item I would definitely clean it with some kind of degreasing solution at a minimum. Having a clean surface will allow the powder coat to stick to the item better and will offer a better overall finish.
So, powder-coating adheres better to a rough, grainy surface, right ?
The reason I'm asking is that I wanted to know if a "satin" or "polished" manifold was the better starting point. I want to end up with a textured, "wrinkled finish in the powder-coat.
For an aluminum intake manifold, is there a particular type of powder-coat product I should look for ?
Thanks !
So, powder-coating adheres better to a rough, grainy surface, right ?
The reason I'm asking is that I wanted to know if a "satin" or "polished" manifold was the better starting point. I want to end up with a textured, "wrinkled finish in the powder-coat.
For an aluminum intake manifold, is there a particular type of powder-coat product I should look for ?
Thanks !
The reason I'm asking is that I wanted to know if a "satin" or "polished" manifold was the better starting point. I want to end up with a textured, "wrinkled finish in the powder-coat.
For an aluminum intake manifold, is there a particular type of powder-coat product I should look for ?
Thanks !
The finish you get will be determined by the powder coating you choose to use. They have different finishes of powder coating.
A good place to start to research this stuff is www.powderbuythepound.com, they sell powder coat there and they have a good forum with solid information.
__________________
Glenn ***
Sales Tech
www.bmrsuspension.com
813.986.9302
Find a Quality alignment shop near you!
Glenn ***
Sales Tech
www.bmrsuspension.com
813.986.9302
Find a Quality alignment shop near you!
Just like bodywork, the finish will be the same as whatever you are covering it with, when the powder melts it is VERY thin, so if you have a crack or a fuzz, you will see the crack or the fuzz once its coated. It does not fill in imperfections or bumps. If you want a bumpy surface, Blast it with red sand and coat it, if you want a smooth yet textured surface you can buy textured powder and blast it with walnut or glass or something to take minimal material away or just clean it really well like BMR sales said.
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