Oil drilling

1. Density

≥4.2g/cm3;

2.  Fineness

-200mesh  ≥97% ;

-325mesh  85%~90%；

3.  Water soluble

0.1%;

1. BaSO4

≥90%.

Chemical industry

Grade

BaSO4/%

SiO₂/%

Fe₂O₃/%

AI₂O₃/%

Water soluble salt /%

Ⅰ

95

<1.5

<0.5

<1

<0.3

Ⅱ

90

<2.5

<1.5

<2

<1.0

Ⅲ

85

<2.5

<1.5

<2

<1.0

BaSO4/%

CaCO₃/%

Fe₂O₃/%

Size / mesh

Coating

90~95

-

0.05

<325

High whiteness

Rubber filling

>98

<0.36

microscale

<325

No content of Mn, Cu and Pb

Common Glass

>96

<0.1

<0.2

60

SiO₂<1.5%，AI₂O₃<0.15%

Lithopone

95~98

-

<1

-

SiO₂<1%，less AI₂O₃  

Oil drilling

weighting agent of  circulation mud in the rotary drilling of oil and gas well  

Chemicals

producing BaCO₃, BaCl₂,BaSO4,Ba(OH)₂, BaO, Lithopone and various barium compound

Glass

1.  deoxidizer
 2.  clarifying agent 
 3.  fluxing agent

Rubber, plastics, paint

1.  filler 
 2.  optical brightener 
 3.  weighting agent

Construction

1. concrete aggregate

2. paving materials