Barite for drilling ?manufacturers :
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1.? Chemical formula: BaSO4
2.? Mohs hardness: 2.5~3.5
3.? Colour: white or gray white?
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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 |
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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 |
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Application of Barite:?
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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??? |
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