This kind of gem will be charged when heated, which is called thermoelectric effect, hence the name tourmaline. Generally, it is used as indoor building materials, and then heated by electric energy, resulting in the so-called pyroelectric effect. It is used for health care and has a certain effect. As for buying raw materials! ? Difficult! Processed products in cities are valuable only after processing, just like iron ore and gold mine.

1, under what circumstances can it self-heat, and can it self-heat when it comes into contact with the human body, such as the principle of self-heating insoles?

A: When you say "self-heating", it is actually far infrared. Tourmaline emits far infrared rays of 4- 14 micron, and has a permanent electrode, which can continuously release negative ions. As long as there is light, it can "self-heat" and provide negative ions at room temperature without any external force. The so-called "self-heating insole" is made of materials that can emit far infrared rays.

2. What is the functional effect of self-heating?

A: The functional effect of self-heating is the effect of far infrared rays. Simply put, far infrared rays will cause water molecules in the human body to vibrate after being received by the human body (70% of the human body is water and 80% of the blood is water). Changing macromolecular water into micromolecule water is not only easy to be absorbed by human body, but also can improve oxygen content. But also make cells more energetic, make people refreshed and clear-headed.

Small molecular water can be converted into heat energy by "* * * vibration" inside and outside the cell (self-heating principle). Enhance metabolism, improve immunity, etc.

Balance the pH of human body.

Under what circumstances will the self-heating value in contact with the human body be greater?

A: It's hard to say. There are many influencing factors. Personal acceptance, temperature, humidity, pressure, space and so on.

The method adopted by the Tommalin Sweating Museum is a confined space (no more than 20 square meters). Raise the temperature by 37-42 degrees. The humidity is controlled at 60-70 degrees.