| CAS No.: | 7727-43-7;13462-86-7 |
|---|---|
| Formula: | Baso4 |
| EINECS: | 231-784-4 |
| Certification: | CCIC, CIQ, RoHS, ISO |
| Purity: | 90%~99% |
| Type: | Barium Sulfate |
| Samples: |
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| Customization: |
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Barite is chemically stable, insoluble in water , without magnetism and toxicity. The chemical composition of the barite is BaSO4, and the crystal belongs to the sulfate mineral of the orthonormal (trapezoid) system. It is usually thick plate or columnar crystals, which are mostly dense or lumpy or plate like and granular aggregates. Pure colorless transparent, impurities are dyed various colors, white streak, vitreous luster, transparent to translucent.
Barite is a barium sulfate (BaSO4) as the main ingredients of non-metallic minerals, pure barite show white, shiny, because of the influence of impurities and foreign matter are often gray, light red, light yellow, crystalline quite good barite can also appear transparent crystal. Barite is a mixture.
Produce barium sulfate by processing and purifying barite. It is almost insoluble in water, ethanol and acid.It is dissolved in the concentrated sulfuric acid.
Barium Sulfate BaSO4 Typical properties:
1. Resistant to acids and alkalis.
2. Insoluble in water and organic solvents
3. An inert product which is lightfast and weatherresistant
4. Colourneutral, due to its low refractive index
5. Extremely narrow particlesize range for high gloss specifications
6. Extremely good wettability due to low specific surface area
7. Low abrasion during processing, due to low Mohs hardness
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| Item | Standard |
| Size | lump 0-5MM 5-50MM/ 100mesh 200mesh 325mesh and so on as to clients' request |
| BaSo4 content | 80%--98% |
| Water Soluble Salts | ≤0.2% |
| Moisture | ≤0.1% |
| Lgnition Loss | ≤0.5% |
| Whiteness | 80-95 |
| PH value | 8.0±1.0 |
| Average particle diameter | 10±1.0μm |
| Specific Gravity | 4.0g/CM3 4.1g/CM3 4.2g/cm3 |
| Solubles material in | ≤1% . |
| Application field | Main use |
remarks: |
| oil drilling | The Circulation mud weighting agent of rotary boring of oil and gas well |
Cooling the drill bit,take away the clast cutted, lubricate drill pipe, close wall of hole,control the pressure of oil and gas, avoid the spurt of oil well |
| Chemical industry | Used for producing BaCo3,BaCl2,BaSO4 Lithopone,Ba(OH)2,BaO and so on barium compound |
barium compound is widely used in reagent,catalytic,the refining of sugar,prevention and cure,fireproof,all kinds of fireworks,the coagulant of synthal,plastic,insectifuge, the case-hardening of steel, phosphor powder,welding agent,Oil additive and so on. |
| glass | Deoxidizer,clarifying agent,fluxing agent | Increase the Optical temperate of glass and lustre and intensity. |
| Rubber,plastics,paint | Filler,optical brighteners,weighting compound | |
| building | The aggregate of concrete,material of paving | 1.The pipeline hidden in everglade of great pressure. 2.used in nuclear facilities replace of Pbboard. 3.atomic energy factory 4. the shield of X Radiation Laboratory. 5.extend the road surface and so on |
| use | specification and quality demand | remarks |
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| Oil drilling | Density ≥4.2g/cm3; fineness-200mesh≥97% -325 85%~90%;hydrotrope is 0.1%; the effect of clay; the viscosity of adding 1% plaster is 0.125Pa·S;the content of BaSO4 ≥90%. |
Standard of oil ministry issuing |
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| Chemical industry | grade |
BaSO4/% | SiO2/% | Fe2O3/% | AI2O3/% | /% water soluble salt /% |
|
| I grade | 95 | <1.5 | <0.5 | <1 | <0.3 | ||
| grade | 90 | <2.5 | <1.5 | <2 | <1.0 | ||
| IIIgrade | 85 | <2.5 | <1.5 | <2 | <1.0 | ||
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