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Window AC + Cooler + Chillbox - Page 6

post #51 of 114
If you're going subzero on a regular basis, you may want to consider using grain alcohol instead of ethylene glycol as antifreeze. It's going to have a LOT less viscosity and offer similar antifreeze properties. Your pump might thank you in the long run, as dead pumps aren't very good at offering thanks. It's also really hard on acrylics, so be sure to keep those out of the loop if you use it. Just a thought.

Build is pretty gosh darn impressive, the only thing it's missing is a cup holder.

-Z
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post #52 of 114
Thread Starter 
Quote:
Originally Posted by billbartuska View Post

Just to keep you on the straight and narrow, the viscosity increases with colder temps.
Low viscosity is thin, high viscosity is thick.

Thank you!

I knew I was going to mess up typing that!
post #53 of 114
Thread Starter 
Quote:
Originally Posted by ZytheEKS View Post

If you're going subzero on a regular basis, you may want to consider using grain alcohol instead of ethylene glycol as antifreeze. It's going to have a LOT less viscosity and offer similar antifreeze properties. Your pump might thank you in the long run, as dead pumps aren't very good at offering thanks. It's also really hard on acrylics, so be sure to keep those out of the loop if you use it. Just a thought.

Build is pretty gosh darn impressive, the only thing it's missing is a cup holder.

-Z

Sweet, I am trying to find an MSDS sheet for this stuff, when I google it comes up as Ethanol.

Is this correct?

http://www.sciencelab.com/msds.php?msdsId=9923956
post #54 of 114
Yes, Grain alcohol is ethanol. It's what we drink. Note though that industrial grain alcohol is denatured, it has additives added that make it undrinkable.
Methanol is usually used as a cooling medium though. You can't drink it though, it's poison and rapidly caused blindness (no, the 'I can't see." kind of blindness, not the other one we sometimes achieve).
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My System
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post #55 of 114

The problem with alcohol based solutions.

 

1.  Breaks down rubber seals.

2.  Breaks down the glue that holds acrylic together.

3.  Fire hazard, must run mixed solution 70% water

4.  If system is not sealed it will evaportate alot faster.  Link 

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The freezer!
(14 items)
 
My chiller build
(29 photos)
Chiller build 2.0
(48 photos)
CPUMotherboardGraphicsHard Drive
Something LGA-v3 Gigabyte X99-SOC FORCE MSI R-9 280X at 1295mhz Crucial M4 
CoolingOSMonitorPower
Custom made Chiller Windows 8 ASUS VG248QE 144Hz SeasSonic X-850 
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post #56 of 114
great build congrats smile.gif
post #57 of 114
Thread Starter 
Quote:
Originally Posted by [CyGnus] View Post

great build congrats smile.gif

Thank you!
post #58 of 114
Quote:
Originally Posted by [ShowMe!] View Post

Sweet, I am trying to find an MSDS sheet for this stuff, when I google it comes up as Ethanol.

Is this correct?

http://www.sciencelab.com/msds.php?msdsId=9923956

Yep, ethanol. I've seen people use it in conjunction with TEC chillers in place of EG mixtures as PC pumps just aren't up to the tasks of pumping that viscous of liquids. Your pond pump might be up to the task though.

-Z
Quote:
Originally Posted by BackwoodsNC View Post

The problem with alcohol based solutions.

1.  Breaks down rubber seals.
2.  Breaks down the glue that holds acrylic together.
3.  Fire hazard, must run mixed solution 70% water
4.  If system is not sealed it will evaportate alot faster.  Link 

All very true, but we generally see silicon O-rings with liquid cooling gear, glued acrylic gear isn't very prominent in our liquid cooling gear as it had a reputation for leaking, the only way it could catch fire is if it leaks onto your motherboard at which normal liquid cooling would be a fire hazard, and I have no response for #4. other than he's using it in a subzero loop I wouldn't worry about evaporation. All fair points though.

-Z
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The Laboratory
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post #59 of 114
Hello! I have a friend who was clocking sub zero temps into the low 40s early 50s (Celsius) and he used a rad in a dry ice bath with acetones in the tubes (all metal although he recently switched to glass and did a case mod to make things a little more pretty). When you begin to get very low temps almost every substance will eat rubber deals so he went a head and got some high quality metal sealed filings that were rubber free and could run whatever liquid he wanted with no hassles. He also submerged his entire rig in mineral oil to prevent and condensation. What he achieved is beyond ridiculous but I hope it gives you some ideas
Edited by jfing14 - 10/25/14 at 4:13am
post #60 of 114
Quote:
Originally Posted by jfing14 View Post

Hello! I have a friend who was clocking sub zero temps into the low 40s early 50s (Celsius) and he used a rad in a dry ice bath with acetones in the tubes (all metal although he recently switched to glass and did a case mod to make things a little more pretty). When you begin to get very low temps almost every substance will eat rubber deals so he went a head and got some high quality metal sealed filings that were rubber free and could run whatever liquid he wanted with no hassles. He also submerged his entire rig in mineral oil to prevent and condensation. What he achieved is beyond ridiculous but I hope it gives you some ideas

Just a question, how do you run sub zero temperatures at 50c?
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