Tourmaline powder
Colour: black
Size: 100-6000mesh
Purity: 99.9% 
Anion release >=20000/cm3
Packing: 25kg, 50kg, 500kg
Application: Environmental protection, cigarettes, paint, textile, cosmetics,purifying water quality,air purification, electromagnetic radiation prevention, health care products, Building material, automobile, hone appliance manufacturing and agriculture.