Beijing Aitu Supply Chain Management Co., Ltd

Quality is the key.
Average Chemical Composition (Typical-wt%)

SiO2----- 39%

Al2O3----- 21%

FeO----- 8%

Fe2O3-----17%

TiO2----- 0.05%

MnO----- 0.4%

CaO----- 9.5%

MgO----- 5%

Physical Characteristics (Typical)

Bulk Density----- 2.3-2.4

Specific Gravity----- 3.8-4.1

Hardness (mohs)----- 7.5-8.0

Melting Point-----1260 C

Color-----Red

Grain Shape-----Sub Angular

Radioactivity-----Not detectable

Conductivity----- <250us/cm

Total Chlorides----- <25ppm

(%)Acid Solubility(HCL)-----<1%