Barite for drilling manufacturers :
1. Chemical formula: BaSO4
2. Mohs hardness: 2.5~3.5
3. Colour: white or gray white
Specification of barite for drilliing :
Use | Specification |
Oil drilling | 1. Density | ≥4.2g/cm3 |
2. Fineness | -200mesh ≥97% ; -325mesh 85%~90%; |
3. Water soluble | 0.1% |
4. 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 |
Specification 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 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 |