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flat black delrin

post #1 of 5
Thread Starter 
I've got a black EK D5 pump top, and I'd rather it not be shiny. Anybody ever dulled the finish on delrin (acetal)?

thanks,
dan
post #2 of 5
Acetone or sandpaper (will probably look horrible if it's too coarse) are worth a shot. Otherwise, matte spray paint

EDIT: never done it myself though, I think I have a delrin top from EK lying around. I'll try some stuff on it tommorow and let you know if you're not in a hurry
Black Betty
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Black Betty
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by Bloitz View Post

Acetone or sandpaper (will probably look horrible if it's too coarse) are worth a shot. Otherwise, matte spray paint

EDIT: never done it myself though, I think I have a delrin top from EK lying around. I'll try some stuff on it tommorow and let you know if you're not in a hurry

that would be really cool if you would experiment. i don't want to experiment on my brand new piece.

as far as painting goes, from what i've read, delrin is virtually impossible to get paint to stick to.

dan
post #4 of 5
Quote:
Originally Posted by Svobey View Post

that would be really cool if you would experiment. i don't want to experiment on my brand new piece.

as far as painting goes, from what i've read, delrin is virtually impossible to get paint to stick to.

dan

I'll do some experimenting tommorow and take a few pictures. The top I have sitting in the closet has 3/8 threads so it's pretty useless really

EDIT:
So the top I had has more of a machined polish to it then I remember so that might influence results a bit.
Here are the pictures:
Box and top:



Engine starting alcohol (tried adhesive remover first on this side but it didn't do much):


Washing petrol (says so on the bottle ):


Gasoline (Super 95 (it's a European rating)):


Quite obviously sandpaper (grit 150) (smallest grit I could find on my workbench, I rubbed it on an uneven surface as well so this is a worst-case tongue.gif ):


It's pretty hard to tell from the pictures but the starting alcohol and gasoline had a minor effect.
The sandpaper obviously did have an effect and I think with a finer grit and a flat surface to work on this will give better results than what I achieved.

I hope others might have more solutions.
Edited by Bloitz - 8/3/13 at 1:55am
Black Betty
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Black Betty
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post #5 of 5
Thread Starter 
Quote:
Originally Posted by Bloitz View Post

I'll do some experimenting tommorow and take a few pictures. The top I have sitting in the closet has 3/8 threads so it's pretty useless really

EDIT:
So the top I had has more of a machined polish to it then I remember so that might influence results a bit.
Here are the pictures: Warning: Spoiler! (Click to show)
Box and top:



Engine starting alcohol (tried adhesive remover first on this side but it didn't do much):


Washing petrol (says so on the bottle ):


Gasoline (Super 95 (it's a European rating)):


Quite obviously sandpaper (grit 150) (smallest grit I could find on my workbench, I rubbed it on an uneven surface as well so this is a worst-case tongue.gif ):
It's pretty hard to tell from the pictures but the starting alcohol and gasoline had a minor effect.
The sandpaper obviously did have an effect and I think with a finer grit and a flat surface to work on this will give better results than what I achieved.

I hope others might have more solutions.

thanks for doing that. i figured abrasives would be the way to go. probably won't decide until it's actually time to install it.
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