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Particle-size designationD50 specifiedPhysical formPowder
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DimensionspowderApplicationPaint
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BaSO4 Content (%)98.5%Largest Crystal2.5 micron
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TypeBarite PowderWeight4.0-4.2
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D50 Particle size0.5 micronCertificateRohs
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ph7-9Loss on ignition1.2
The explicit median particle size is a useful starting point for this industrial barite paint-powder enquiry. Its BaSO4 content is 98.5%, D50 is 0.5μm and the actual whiteness option is 98.5–99%, with a stated pH range of 7–9.
Match the median to the paint brief
Compare the 0.5μm D50 with the intended powder specification and ask for the full particle distribution. Confirm the method and any surface treatment before linking the median to a particular dispersion or film-finish result.
Clarify the separate crystal criterion
The 2.5μm Largest Crystal measurement needs a clear definition for technical comparison. Ask how it is measured and used for acceptance, rather than interpreting it as a D97 percentile or substituting it for the complete particle report.
Which other measurements need definition?
Request the unit and conditions for loss on ignition and the method behind the whiteness range. Keep any undefined weight figure separate from a density specification unless a proper measurement and unit are supplied.
Document the actual paint requirement
Obtain applicable RoHS documents if compliance forms part of the purchase criteria. Evaluate the offered grade in the actual paint binder, measuring the dispersion and optical properties that matter to that system.
Include the content, median, colour option and acceptance tests in the enquiry. A documented raw-powder comparison and a relevant binder trial make the selection discussion concrete without an assumed compliance or finish guarantee.
