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Cracked Res - Page 4

post #31 of 63
Quote:
Originally Posted by MomijiTMO View Post
"My friend in one of our pracs spilled something on her safety glasses. She then decided to clean them with acetone. After a couple of squirts, she notices that her glasses began to fog up. More acetone was applied. A minute later they broke in half."
Had something similar at one of my earlier jobs in life .. used Xylene to clean parts prior to powder-coating ... by hand ... Rubber gloves and two pairs of thick cotton gloves over that to soak up the Xylene. I was wearing a face shield and used my Xylene-coated hand to flip up the shield ... when I went to pull it back down ( about 15 seconds later ) where I had touched the face shield with my glove was now gone and about 50% of the rest of the face shield was now splintered and ghost-white ... just like I was after seeing that.
post #32 of 63
Yeah the nice thing about being installed in a system and being full of coolant is your acrylic temperature change will be very slow and limited to the coolant temperature. Empty and out in the open temperature changes and expansion and contraction of the acrylic is much more dramatic.

I've seen this before on an MCres, but it seems to be very limited to just a few occurrences. Wish they used polycarbonate instead..
    
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post #33 of 63
This is a chart of some chemical and what it does to acrylic from the company that makes Plexiglass

Organic Acetone DL DL
Compounds Aniline DL DL
Benzene DL DL
Carbon tetrachloride (3) <0.1 A-E
Dibutyl sebacate 0.1 0.1
Diethyl ether <0.1-C R-S
Dimethyl formamide DL DL
Ethyl acetate DL DL
Ethyl alcohol 95 1.4 4.0
Ethyl alcohol 50 0.8 2.0
Ethylene dichloride DL DL
2-Ethylhexyl sebacate <0.1 0.1
Heptane 0.0 0.1
Isooctane <0.1 0.1
Isopropyl alcohol 99 0.1 C (Rubbing Alcohol)
Methyl alcohol 5.8-S A
Phenol (aqueous) 5 A-C A
Toluene DL DL
Chemical Resistance Code:
A = Attacked DL = Dissolved
C = Crazed E=Edge Swelling
D = Discolored R=Rubbery
S = Swollen
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post #34 of 63
Thread Starter 
Quote:
Originally Posted by Gom Jabbar View Post
This is a chart of some chemical and what it does to acrylic from the company that makes Plexiglass

Organic Acetone DL DL
Compounds Aniline DL DL
Benzene DL DL
Carbon tetrachloride (3) <0.1 A-E
Dibutyl sebacate 0.1 0.1
Diethyl ether <0.1-C R-S
Dimethyl formamide DL DL
Ethyl acetate DL DL
Ethyl alcohol 95 1.4 4.0
Ethyl alcohol 50 0.8 2.0
Ethylene dichloride DL DL
2-Ethylhexyl sebacate <0.1 0.1
Heptane 0.0 0.1
Isooctane <0.1 0.1
Isopropyl alcohol 99 0.1 C (Rubbing Alcohol)
Methyl alcohol 5.8-S A
Phenol (aqueous) 5 A-C A
Toluene DL DL
Chemical Resistance Code:
A = Attacked DL = Dissolved
C = Crazed E=Edge Swelling
D = Discolored R=Rubbery
S = Swollen
Well I contacted Swiftech and they were helpful enough. Basically said I should send the res to them and they will "inspect it" to determine whether the cracks were caused by them.

I wonder if it's even worth my money to pack and ship it back to them. I mean for all I know they could just make up some BS excuse that I broke the res.

Oh and I just rubbed some rubbing alcohol all over the existing cracks and an unaffected area. Nothing changed.
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post #35 of 63
Hmmm... so whatcha gonna do?
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post #36 of 63
Quote:
Originally Posted by cuy50 View Post
Well I contacted Swiftech and they were helpful enough. Basically said I should send the res to them and they will "inspect it" to determine whether the cracks were caused by them.

I wonder if it's even worth my money to pack and ship it back to them. I mean for all I know they could just make up some BS excuse that I broke the res.

Oh and I just rubbed some rubbing alcohol all over the existing cracks and an unaffected area. Nothing changed.
Oh the irony...


YOU WERE JUST TOLD NOT TO USE ALCOHOL ON ACRYLIC.


Swiftech will probably find this and blame you for cracks. Sorry but I think you just shafted yourself.
    
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post #37 of 63
Acetone isn't rubbing alcohol but I swear I hinted to not use it incase it had some acetone.
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post #38 of 63
Thread Starter 
Jesus Christ! I'm not daft! I can read! I used rubbing alcohol on purpose to prove that it does nothing to the res, which it doesn't.

Besides, how thorough could they possibly get for a $20 box of plastic? I doubt they are going to call in the police department and get it examined for different substances...
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post #39 of 63
It's not instantaneous.
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post #40 of 63
The reason I posted the chart was because one of the posters suggested that some types of acrylic (Plexiglas) would not be affected by alcohol. It wasn't to piss you off and get you to put more alcohol on it. When you wake up tomorrow look and see if the cracks didn't get worse. Good luck with your train of thought, it will catch up with you.
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