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-   -   Coolant-safe coating for plastics? (https://forum.overclock3d.net/showthread.php?t=79049)

iLikeGreeeeen 28-12-16 12:44 PM

[SOLVED] Coolant-safe coating for plastics?
 
[SOLVED]

Hey guys,

I've been water cooling for just over 5 years on countless rigs now, so I'm quite familiar with the overall process. However, I'm not that great with chemistry, so I need some advice about a potential issue I've encountered. I'm possibly taking on a build in the new year for a friend. He wanted to have a figurine of a Dragonball Z character in the reservoir to simulate the healing chamber from the TV show. For those of you who don't know, this is what I mean (the character in the back sleeping in the healing liquid):

http://4.bp.blogspot.com/-ir3biT7TDR...0/dbz76-11.jpg

The problem here lies between the figurine inside the reservoir and the coolant within the loop. Another hobby of mine is plastic modelling, where you build a plastic model kit and paint each part for a nicer finish. Here is a before & after comparison of a Goku figure I finished earlier this year...

Before:

http://i1310.photobucket.com/albums/...pswtvr3fls.jpg
http://i1310.photobucket.com/albums/...pseftzsbgs.jpg

After:

http://i1310.photobucket.com/albums/...pss4xohj6r.jpg


So usually these figures get a final coat of clear matte paint, and I personally use a lacquer-based clearcoat to finish off all of my figures. As for coolant, I typically go with Mayhem's concentrates, but for this specific coolant colour, I will probably go with deionized/distilled water + Mayhem's dye (with a biocide of course). Also to note, these figurines are not air-tight, so while being submerged, the coolant will come in contact with some bare plastic I will not have painted due it not being visible (ie. the inside of his chest cavity or his hollow thighs).

TL;DR Please just read questions below...

So my questions are as follows:

1) Will having lacquer topcoat in contact with the coolant cause a reaction? Will it have any (short term and/or long term) negative effects?

2) Is there a another product (obviously must go on clear) I can cover the figurine with at the very end of my painting process to avoid any complications?

Thanks in advance for all your help guys, cheers!

- Ryan

NickOmega 28-12-16 01:41 PM

Just an idea, but maybe a hydrophobic clear coat, like hydrobead (http://www.hydrobead.com) or similar?

Not sure of reaction with coolant/dyes or how long it would actually last with the constant agitation though.

Shingara 10-01-17 01:17 PM

Just an out there idea, but what about a hollow res, so a tube inside a tube or stacked, get a longer res and then just put normal water inside with the figure and the watercooling fluid is seperate.

Maybe a monsoon res could do that, i dunno, just spit balling.

mayhem 25-01-17 08:03 AM

We do the mayhems extreme coolants in aluminum bottles, we seal the bottles in a clear varnish lacquer so that no aluminum leaches or effects the coolant. The lacquer is just simple a water proof hardened clear varnish and its works a treat.

iLikeGreeeeen 25-01-17 11:15 AM

Thanks for all the responses guys, really appreciate the feedback :)

Quote:

Originally Posted by mayhem (Post 934471)
We do the mayhems extreme coolants in aluminum bottles, we seal the bottles in a clear varnish lacquer so that no aluminum leaches or effects the coolant. The lacquer is just simple a water proof hardened clear varnish and its works a treat.

Thanks for confirming this, Mick (I'm assuming this is you lol)! This is probably the most direct/helpful response I could've asked for :D

mayhem 25-01-17 12:51 PM

Yup that is correct :) one of my staff pointed this thread out to me.

Mick

iLikeGreeeeen 25-01-17 07:48 PM

Quote:

Originally Posted by mayhem (Post 934506)
Yup that is correct :) one of my staff pointed this thread out to me.

Mick

I appreciate you taking the time to reply to my thread, thanks again. Also thanks to your staff, cheers!


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