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subaru 50/50 LL super coolant #4608632
12/19/17 08:05 PM
12/19/17 08:05 PM
Joined: Mar 2009
Posts: 453
northeast
lucerne06 Offline OP
lucerne06  Offline OP

Joined: Mar 2009
Posts: 453
northeast
what is the approx temp the pre mix coolant is supposed to protect to>??? minus 34 or minus 62...very hard to get the correct answer...

Re: subaru 50/50 LL super coolant [Re: lucerne06] #4608710
12/19/17 09:06 PM
12/19/17 09:06 PM
Joined: Aug 2003
Posts: 13,443
NE,Ohio
Rand Offline
Rand  Offline

Joined: Aug 2003
Posts: 13,443
NE,Ohio
Appearance ......................... Blue
Density at 20C ................... 1.07 g/cm
Freezing Point ...................... -37C/-34F
Flash Point ........................... None
Boiling Point** .................... 129C/265F
Water Content ..................... 50%
pH-Value ............................. 7.7
**Using a 15 psi (103 kPa) pressure cap at sea level


however I have seen references to -62F as well. interesting

My thoughts:
Almost all 50/50 ethylene glycol based antifreeze is good to -34F

The -62f might be some sort of misprint based on a higher concentration of 60% or 65%


2019 Jeep Cherokee Trailhawk 2.0T
Re: subaru 50/50 LL super coolant [Re: lucerne06] #4608831
12/19/17 10:42 PM
12/19/17 10:42 PM
Joined: Jun 2002
Posts: 6,618
MI
doitmyself Offline
doitmyself  Offline

Joined: Jun 2002
Posts: 6,618
MI
I agree with Rand. Very confusing literature out there. I think they meant to say "up to" -62F, if doctored up with concentrate. I've seen a forum thread that states the concentrate is available if one wants to go below the -34F rating of the 50/50 mix.

Here's another link suggesting -34F at 50/50: http://suforester.com/products/696

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