zhongrun Black Fine Negative Ion Tourmaline Powder with competive price
USD $1,800 - $2,500 /Metric Ton
Min.Order:1 Metric Ton
Lingshou County Zhongrun Minerals Co., Ltd.
Electric stone powder is the electrical ishihara ore after removal of impurities, mechanical crushing to obtain powder. After processing and purification of tourmaline powder has high discharge negative ions and far infrared emissivity.Tourmaline is also called ms tomalin.
Item | property |
appearance | Uniform color powder,no agglomeration |
Density(g/cm3) | 0.979-1.009 |
MFI(g/10min) | 15-45 |
Melting point(°C) | 120 |
Particle size(mesh) | 60meshes |
Non-volatile matter(%) | ≥99.5 |