Description
Body warmer is a tool for heating. The reaction principle is to use a primary battery to speed up the oxidation reaction and convert chemical energy into thermal energy. To make the temperature last longer, the mineral material vermiculite is used for insulation.Because it cannot react before use, the material of the bag should be very special, which consists of a raw material layer, a gelatin layer and a non-woven bag. The non-woven bag is made of a microporous breathable film, and it must also have a conventional airtight outer bag. 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 the inside through the breathable membrane. The time and temperature of the heat release are controlled by the oxygen transmission rate of the breathable membrane. If the oxygen is permeated too quickly, the heat will be released all at once, and there is a risk of scalding the skin. If the oxygen permeation is too slow, there will be no temperature. After use, it is a dark brown solid, which contains carbon powder, NaCl solid, Fe2O3 solid and salts containing magnesium and aluminum. As a professional body warmer heating patches manufacturer, we can custom private label heating packs accoring to your requirements. For example, we can custom the heating duration, temperature, size, shape, and packaging of the body warmers.
