Natural Barium Sulfate Barite Powder ≥85% BaSO4, Industrial Superfine-Grade Assessment for Paint and Compounds
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ColorWhitePhysical formPowder
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CAS No.7727-43-43-7PurityBaSO4 ≥85.0%
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AppearanceWhite Fine PowderApplicationPaint, Ink, Plastic, Rubber, Powder Coating
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ClassificationSulphateEINECS No.231-784-4
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Grade StandardIndustrial GradeMolecular FormulaBaSO4
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Other NamesBarite Powder, Heavy SparTypeBarium Sulfate
A useful natural-barite enquiry begins with what the formulation must achieve. This industrial barium sulfate BaSO4 is a white fine powder with stated BaSO4 ≥85.0%; paint, ink, plastic, rubber and powder coating are the named areas for assessment.
Write the acceptance brief before comparing powders
Describe the particular coating, ink or compound and identify its evaluation criteria. A material suitable for one trial cannot be assumed to give the same behaviour in the other named applications. Set the assessment around the actual proposed grade and system.
Separate chemical acceptance from particle grading
Request a current composition report, impurity information and the basis used to report BaSO4 content. The minimum figure is not an exact composition. Ask separately for particle-distribution or sieve evidence, including the method, because superfine is a qualitative designation rather than a numerical size specification.
- Optical requirement
- Obtain a measured whiteness result if the formulation needs one; white appearance alone does not establish the value.
- Additional material properties
- Specify whether density or surface-treatment information is needed for the assessment and request the corresponding evidence.
Keep the proposed sample identifiable through evaluation
Confirm the material identification in current technical, analysis and safety documents. Link these to the sample used in representative trials and retain the assessment conditions with the observations. Chemical identity and fine appearance do not establish a loading ratio, dispersion result, opacity or gloss performance for the finished formulation.
