oil well driling grade mica flakes

Mica flakes is used as the material of mica paper and the material of mica reprocessing ,it can also replace mica sheet to manufacture all kinds of nsulant.besides these ,

it can used in drilling mud to overcome the abnormal cycle of the liquid

The chemical property is as follows :

Property Huajing Indicators

SiO2 44.5~46.5%

MgO 0.53~0.81%

Al2O3 32~34%

Fe2O3 3.8~4.5%

CaO 0.4~0.6%

K2O 8.5~9.8%

Na2O 0.6~0.7%

TiO2 0.8~0.9%

Loss on Ignition 4.5~6%

PH 7.5

Specific Gravity 2.0-3.0

Oil Absorption 38~40100g)

Refractive index 1.5~1.6