Purpose Of Using Barium Sulphate
CAS Number:13462-86-7
EINECS:236-664-5
Chemical formula:BaSO4
PACKING:25KG/BAG
Molecular weight:233.3896
BARIUM SULPHATE
Barium sulphate (BaSO₄) is a chemically inert, non-toxic, and highly stable inorganic compound with a wide range of applications across multiple industries. Its unique properties-including high density, low solubility, and excellent radiopacity-make it indispensable in fields such as medicine, industrial manufacturing, coatings, and environmental remediation. Below is a detailed exploration of its primary uses, mechanisms, and benefits.
| Item | Result |
| Purity≥ | 99.20% |
| Moisture≤ | 0.052% |
| Water Soluble Matter≤ | 0.05%% |
| Iron (Fe)≤ | 0.0037% |
| Particle Size (D50) | 0.372 μm |
| Oil Absorption | 16% |
| 325 Mesh Residue≤ | 0.018% |
Barium sulphate is most renowned for its role as a radiopaque contrast medium in medical imaging.Mechanism: Due to its high atomic number (Ba = 56), BaSO₄ strongly absorbs X-rays, enhancing visibility of hollow structures like the gastrointestinal (GI) tract. Applications: Barium Swallow/Meal: Used in upper GI studies to detect ulcers, tumors, or strictures.Barium Enema: For colonoscopy alternatives to identify polyps or obstructions.Safety: Insoluble in bodily fluids, preventing systemic absorption and toxicity.
Bone Cement Additive: Improves X-ray visibility in surgical implants.Dental Impression Materials: Enhances mold precision and radiopacity.
Function: Acts as a filler, extender, and whitening agent.High Refractive Index (1.64): Improates opacity and brightness in paints.Chemical Resistance: Enhances durability in marine and industrial coatings.Applications:Automotive Paints: Provides corrosion resistance and smooth finish.Plastics (PVC, Nylon): Reduces cost while maintaining strength.Agent: Due to its high density (4.5 g/cm³), BaSO₄ ("barite") is added to drilling mud to:Control wellbore pressure.Prevent blowouts by balancing subterranean forces.Purity Requirements: API standard mandates >90% BaSO₄ content.Tire Manufacturing: Improves wear resistance and reduces abrasion.Brake Pads/Linings: Enhances thermal stability and friction performance.
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