MRE's & cold

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MPMalloy
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MRE's & cold

Post by MPMalloy » Mon Sep 22, 2014 6:02 pm

Hey Everyone:

I was thinking about putting 2 cases of MRE's onboard the BOV. Winter is coming up. Will the cold temps spoil my MRE's?

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Re: MRE's & cold

Post by Doctorr Fabulous » Mon Sep 22, 2014 6:06 pm

Nope. Might make the peanut butter and cheese a bit tough though.
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MPMalloy
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Re: MRE's & cold

Post by MPMalloy » Mon Sep 22, 2014 6:10 pm

Thanks Doc. You da Man.

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raptor
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Re: MRE's & cold

Post by raptor » Mon Sep 22, 2014 6:43 pm

I have to disagree with doc on this somewhat. The MRE's I own have a warning on the box not to permit freezing.

I researched this many moons ago and the issue is related to freezing AND thawing. The repeated thawing and refreezing cycle causes the food in the container to expand and contract which may compromise the laminate sealing the food. From what I read the laminate seal is not designed to withstand the cycling. That said, logic would suggest that if you keep them frozen, cycling would not be an issue.

I would also note that keeping MREs cold but above 32f does significant extend their shelf life. This supports the Logic that freezing the food is not the problem but rather the packaging is the issue.

Sources:
http://www.xmremeals.com/faq/
These guys say the risk is minimal

http://mreshelflife.com/freezing-extend-mre-shelf-life
These guys say no.

http://www.longlifefood.com/about_mre.asp
These guys say avoid freezing.

The other key point is that not all MREs are created equal. Some may be more freeze resistant than others. Some may react quite negatively to freezing temps others may not. If you want a definitive answer you may want to contact the manufacturer.


The other way you could test this is to store one or two meals for the winter and test them in the spring.

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ManInBlack316
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Re: MRE's & cold

Post by ManInBlack316 » Mon Sep 22, 2014 6:56 pm

Being in Florida, I don't know much about the cold, but what about putting them in a small cooler inside the truck? Would that possibly minimize the freezing? Sorry if I'm just ignorant but it's a thought.

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Stercutus
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Re: MRE's & cold

Post by Stercutus » Tue Sep 23, 2014 7:47 pm

Everything Raptor has posted is true and accurate by my reckoning. There have been many different types of MRE's issued over the years as well. At one time there was a "RCW" MRE issued that could abide freezing. These were however pretty rare. I only came across them once in 25 years.

http://www.mreinfo.com/us/older/rcw.html

and an old thread...

http://www.zombiehunters.org/forum/view ... 50&t=60918
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Re: MRE's & cold

Post by BigDaddyTX » Thu Sep 25, 2014 1:50 am

Stercutus wrote:Everything Raptor has posted is true and accurate by my reckoning. There have been many different types of MRE's issued over the years as well. At one time there was a "RCW" MRE issued that could abide freezing. These were however pretty rare. I only came across them once in 25 years.

http://www.mreinfo.com/us/older/rcw.html

and an old thread...

http://www.zombiehunters.org/forum/view ... 50&t=60918
I have a case of MCWs, they're rare I guess but available if you want them on ebay usually. The MCWs are freeze dried though, not retort packed so you need water.
ManInBlack316 wrote:Being in Florida, I don't know much about the cold, but what about putting them in a small cooler inside the truck? Would that possibly minimize the freezing? Sorry if I'm just ignorant but it's a thought.
Yup, this will work to some degree, depending on how cold it gets for how long etc. At minimum it should reduce the freeze-thaw cycle.
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Re: MRE's & cold

Post by Stercutus » Thu Sep 25, 2014 5:04 pm

I have a case of MCWs, they're rare I guess but available if you want them on ebay usually. The MCWs are freeze dried though, not retort packed so you need water.
Yes, the lack of water keep them from deforming packaging if they are frozen.
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