BARITE

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1.Chemical formula: BaSO4.

2.Density: 4.5 g/cm3.

3.Mohs hardness: 2.5~3.5.

4.Colour: white or gray white.




DETAILED INTRODUCTION

Specification of Barite in Drilling Fluid and Chemical Industry

 

Use

Specification

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 /%

95

<1.5

<0.5

<1

<0.3

90

<2.5

<1.5

<2

<1.0

85

<2.5

<1.5

<2

<1.0

 

Specification of Barite in Coating , Rubber Filling, Common Glass and Lithopone

 

Use

Index

Remarks

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  

APPLICATION

Application of Barite

 

Application fields

Main use

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  


APPLICATION