With the kind of hot water bottle, why do I press the iron is not hot ah?
A closer look, it is possible that the iron split... (I have encountered such a thing -...
I also used this po. I think this Rebao very troublesome, although soon heat up, but also with water can be reduced, I have no.There is now a hot water bag, when to buy a bag has added some special drugs, just add about 700 ml of water to the inside, into a small rubber plug, ohmic heating, when the temperature to the future will automatically power off. Heating time will not exceed 10 minutes, you can use 2-8 hours. Price of about 20 yuan.
Is there any leakage? Because it contains a supersaturated solution of a substance, the substance is exothermic when it is crystallized, so when you break it down and give it a little bit of energy, it is instantly crystallized.
