Microwavable material for small heating packets

Stan in Oly, WA

Well-known Member
My wife has Raynaud's syndrome, which causes her to experience considerable discomfort when her hands or feet or ears get too cold. It's a problem for her every winter even though our weather rarely gets very cold. She has mittens that have pouches to hold little chemical heating packets which work well until they start to overheat. She came up with the idea of sewing small packets that could hold something that could be heated in the microwave so that they would get cooler as time passed instead of getting hotter for awhile. What would be such a material? It would be best if it were commonly available and inorganic.

Stan
 
I made a bag with a quart of uncracked (whole, no cob) feed corn in a cloth bag. About two and a half minutes in the microwave makes it wonderfully toasty. Mom mom uses a round one filled with uncooked rice the same way. She put it at the bottom of the basket of dinner rolls to keep them warm. Putting it in a cloth bag is wonderful because she could drape it around her foot or hand. I've used the same one for 15 years and never changed the corn or anything. They will stay warm for an hour or so.
 
Normal old wheat in a small corduroy bag is all we use . Make a larger one with about a litre of wheat inside heat for two minutes and treat your back the next time it hurts ; marvelous relief .
Time needed to warm the wheat in a microwave is proportionate to the size of the bag , be cautious as they will ignite if overheated .
 
If the rice get too dry and does not seem like it used to be, we sprinkle a little water on it. Have to use trial and error.
 
A phase change (liquid to solid) material would stay warm the longest. The trick is finding one that melts/freezes at the right temperature.
 
I'll vote for the rice bag also. My wife has 5-6 of them. you can heat them in the microwave. She also has a couple in the freezer and they make a nice cold pack. She made some that are a longer tube and they fit around your neck. They could possibly be made to fit on like a glove or sock?

Steven
 
I took coffee can of wheat from bin and poured into a good winter tube sock, tied end shut and used on twisted knee last summer. worked great. 2 min in mw.

Dick ND
 

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