Specification of Barite in Drilling Fluid and Chemical Industry
Use | Specification |
Oil drilling | Density
| ≥4.2g/cm3; |
2. Fineness | -200mesh ≥97% ; |
-325mesh 85%~90%; |
3. Water soluble | 0.1%; |
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 |
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 | concrete aggregate paving materials
|