![]() ![]() They usually get used up during calls prior to failure, but with the hundreds of failures I have had over the years, they are not worth carrying them. Florida.Īfter about 6 months in the heat in your Ambulance, you will hope you had double bagged each cold pack in 2 freezer bags. I do not know about hand warmers, but I do know about cold packs here in S. I have been thinking of putting away a bucket full of them as preps inside Mylar bag inside 5 gallon bucket should last quite awhile I would think. When we pack preps in Mylar inside 5 gallon buckets we use the food grade O2 absorbers inside the sealed bag (we seal bag and let them sit over night) then throw a Little Hottie in the bucket before sealing on the lid with high grade silicon caulking you can see the buckets buckle in a little on buckets that are not full. 2 of them placed in a sealed empty 5 gallon bucket will cause the bucket to crush from the inside from O2 being absorbed. ![]() Something to take note of the instant hand warmers are basically O2 absorbers on a grand scale. They still work think only getting 4-5 hours out of them instead of the 6-8 with newer ones. I found a case I had missed placed from quite a while ago when we moved the expiration date was 2013 think they have a 4 year "shelf life" so they are 5-6 years old. Live in Alaska so we use them year round. The "Little Hottie" is what we buy a couple cases of every year when Costco has them on sale. Just saying they do fail occasionally so like everything else, best to have a few on hand if you think you might need them.) Unless you work in EMS or athletics or something you probably haven't used hundreds of these as I have over the years. I have had a couple of them break like this over the years. (And they shouldn't be applied directly to skin anyway.) This is so if they do burst that stuff doesn't get in my eyes. In any case, for the stuff you punch or break to activate, I always wrap these in kling wrap or something before doing so, or at least look away when I bust them. There are heat packs that work like the cold compress packs where you have to break the inside baggie to mix the chemistry. (Including one in my car that had been through several serious heat / freeze cycles over a few years.) Not sure about beyond that.īy the way, for the hand warmers, I'm talking about the kind where you just rip open the plastic and once exposed to air they start to heat up. They were of course in their plastic, but even with that there's probably some air leaching that over time wiped them out slowly.Īs for cold compresses, I've had some in my medic bags for at least a few years that worked fine. (Mostly anyway) I never did anything special to protect them, as I didn't have the knowledge or understand the need. After seven, they're all pretty much worthless. After a couple of years, I noticed they were weaker. When I switched jobs I had a whole bunch left over. ![]() I used to buy these by the case when I had an outdoor job in some very cold weather. The hand warmers seem to last between a year and five or more years. ![]()
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