What is the principle of the warm baby

In winter, everyone often uses a magical device called a hot pack. A hot pack is a very convenient and relatively low-cost item. The use of hot packs is also very wide. They can be attached to the shoulders, waist, back, legs, etc. and some joints. When used, as long as they are attached, you will feel very warm, and the heating time can be up to 12 hours. So what is the principle of the heating of the hot pack? Let me introduce it to you below.

The reaction principle of the warm baby:

Use galvanic cells to speed up oxidation reactions and convert chemical energy into heat energy. In order to keep the temperature longer, the product uses the mineral material vermiculite for insulation. Because the product cannot react before use, the bag material must be very special, consisting of a raw material layer, a gelatin layer and a non-woven bag. Non-woven bags are made of microporous breathable film. It also has to have a regular airtight outer bag - the gelatin layer. When in use, remove the outer bag and expose the inner bag (non-woven bag) to the air, and the oxygen in the air enters through the breathable membrane. The time and temperature of heat release are controlled by the oxygen permeability rate of the breathable membrane. If the oxygen permeates too quickly, the heat will be released all at once, and there is a possibility of burning the skin. If the oxygen permeation is too slow, there will be no temperature. After use, it becomes a dark brown solid containing carbon powder, NaCl solid, Fe2O3 solid and salts containing magnesium and aluminum.

Things to note are:

1. When using a heating pack, stick it to the outside of the underwear, not directly on the skin (except for the muscle patch type).

2. The maximum heating temperature of the heating bag is 63℃, and it can release heat evenly for 12-20 hours. It is not suitable to be used when sleeping at night.

3. Please keep the product properly to avoid damaging or destroying the vacuum plastic packaging bag of the heating bag, otherwise the product will become ineffective.

How to use

Open the vacuum packaging of the heating pad along the incision, peel off the backing paper, stick it to the outside of the underwear, and flatten it with your hands. It can be attached to the shoulders, abdomen, back, waist, stomach and related joints of the human body. Be careful not to place the heating pad on clothing that is easily torn, such as sweaters.

How to use the heating pad:

1: Tear open the vacuum packaging of the heating pad.

2: After tearing open the vacuum packaging of the heating pad, take out the inner bag inside the package and directly peel off the lining paper behind the inner bag.

3: After peeling off the backing paper, stick it directly on the outer layer of the underwear and flatten it with your hands. In this step 3, remember not to stick the heating pad directly on the skin, but on the outer layer of the underwear.

4: After using the heating pad, gently tear it off from the outer layer of your underwear.