Tourmaline is a general term for minerals in the tourmaline group, characterized by a complex chemical composition. It is a ring silicate mineral containing boron, aluminum, sodium, iron, magnesium, and lithium. Tourmaline exhibits unique properties such as piezoelectricity, pyroelectricity, electrical conductivity, far-infrared radiation, and the ability to release negative ions.

Common Specifications:

- Granules: 1-3mm, 3-5mm, 1-2cm, 2-3cm, 3-5cm  

- Mesh sizes: 6-10 mesh, 10-20 mesh, 20-40 mesh, 40-80 mesh, 80-120 mesh, 200 mesh, 325 mesh, 800 mesh, 1250 mesh, 4000 mesh, 6000 mesh, etc.  

Main Applications:

- Sauna rooms  

- Water treatment  

- Melt-blown fabric for masks  

- Textiles  

- Coatings  

- Plaster patches