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Dying / Staining PVC Experiments

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Unread postAuthor: Lockednloaded » Mon Mar 14, 2011 7:54 pm

I've got some epoxy based paint that may be a little safer to use on a PVC pressure vessel. I used it on my most recent paintball semi, and it didn't chip after a full day of woodsball. The only downsides are that it takes a full day to cure/dry, and I haven't found it in many colors
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Unread postAuthor: mark.f » Mon Mar 14, 2011 8:18 pm

Do you mean the appliance epoxy paint (the stuff you paint toaster ovens/etc. with)? If so, it is tough stuff. :)
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Unread postAuthor: Davidvaini » Mon Mar 14, 2011 9:19 pm

The way i see it, you are trying to dye plastic... i think any method you try is going to have the potential of weakening the PVC, I figure a product made for PVC will have a better chance of holding up than a product not made for PVC...
and penetration still isnt anywhere close to half of the width of the pvc walls, so pressure i believe will be fine unless you are running close pressures that are right at the pvc pressure rating...

Most of the PVC is left untouched and i dont think it will be a problem. Of course when I test, I will test behind the wall and i will test throughly .
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Unread postAuthor: Davidvaini » Mon Mar 14, 2011 9:21 pm

Lockednloaded wrote:I've got some epoxy based paint that may be a little safer to use on a PVC pressure vessel. I used it on my most recent paintball semi, and it didn't chip after a full day of woodsball. The only downsides are that it takes a full day to cure/dry, and I haven't found it in many colors
t
I have tried epoxy based paints and though they hold up better than spray paint they still scratch.
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Unread postAuthor: Davidvaini » Mon Mar 14, 2011 9:32 pm

I am also going to try to use different dyes with pvc cleaner/primer including RIT dye...

Sorry for the triple post, i was not paying attention at all..
oh well we are all given one slip up.
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Unread postAuthor: Lockednloaded » Mon Mar 14, 2011 9:44 pm

Davidvaini wrote:
Lockednloaded wrote:I've got some epoxy based paint that may be a little safer to use on a PVC pressure vessel. I used it on my most recent paintball semi, and it didn't chip after a full day of woodsball. The only downsides are that it takes a full day to cure/dry, and I haven't found it in many colors
t
I have tried epoxy based paints and though they hold up better than spray paint they still scratch.


It really must've been a cheap brand, or you didn't apply 2 even coats. I accidentally painted a part that should've been taped, it took a wire wheel on my dremel to remove it.
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Unread postAuthor: Davidvaini » Mon Mar 14, 2011 10:19 pm

with every thing I paint, I make sure to prep prep prep.. I also apply many fine coats, as far as the brand, what brand did you use? link to a product page?
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Unread postAuthor: kozak6 » Tue Mar 15, 2011 6:41 pm

Leather dye is often used to stain other things. That would certainly be worth some experimentation.

Do you think spray on truck bed liner would be worth a try?

Do clear coats do anything significant for scratch resistance?
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Unread postAuthor: jimmy101 » Sat Mar 26, 2011 10:54 am

Someone might want to try Rit dye, or perhaps an aniline dye (used by wood workers), in acetone (finger nail polish). Acetone won't be as good a solvent as THF but you can get acetone a lot easier than THF. Acetone should penetrate PVC to some extent.

You could also break open something like a permanent marker (like a Sharpie) and take the ink up in acetone.
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