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Why can hand warmers generate heat? |
| Author : Date : 2/14/2016 3:56:09 PM |
Make use of iron powder, water, vermiculite, activated carbon and salt,hand warmers can turn chemical energy into heat energy.Vermiculite plays an important role in keeping warm of this product.The surface is made of gelatin layer and non-woven fabric.The non-woven fabric takes up with microporous breathable membrane.When using hand warmers,the non-woven fabric bag will expose to the air and the ingredients will generate heat by oxygen.Oxygen permeation rate will make a big difference in heating hours.If it is too fast,the heat will last for only few hours and may cause ambustion.If it is too slow,there will be no heat that can not make heating function.
Qingdao Warmer Commodity Co.,Lt is an experienced hand warmers supplier.The hand warmers we supply can last 8 hours and the maximum temperature can be 62 degrees.It is not suitable to use at night.Check if there are discomfort per hour after you use hand warmers and take care of your skin.If you feel uncomfortable,stop use it at once.If you get serious ambustion by accident,pleae go to the hospital in time!
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