Precipitated Barium Sulfate Powder, 97% Minimum Industrial Grade, 92–98% Whiteness for Paint
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Particle-size designationD97 specified , D50 specifiedColorWhite
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Physical formPowder
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CAS No.7727-43-7Purity97% Min
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AppearanceWhite PowderApplicationPaint industry
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ClassificationSulphateEINECS No.231-793-3
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Grade StandardIndustrial GradeMolecular FormulaBaSO4
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Other NamesPrecipitated Barium SulphateTypeBarium Sulfate
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D97 particle size (μm)1.3D50 particle size (μm)4.0
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Whiteness (%)92~98pH Value7±0.5
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Specific Gravity (g/cm3)4.2-4.4Oil Absorption (g/100g)13~15
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Matter volatile at 105 ℃ %(m/m)0.20Loss on ignition %(m/m)1.10
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Matter soluble in water %(m/m)0.20Product nameother inorganic chemicals
For a paint project that specifies precipitated barium sulfate, start with chemical identity and the required assay. This industrial white BaSO4 powder offers 97% minimum purity, giving paint developers a defined material family to evaluate before deciding how it belongs in a finished formulation.
A precipitated route for the paint brief
Precipitated barium sulfate should be identified explicitly when comparing paint extenders, rather than grouped automatically with every natural barite grade. The powder has a 92–98% whiteness range, which is useful for an initial enquiry but needs the test scale and acceptance limit that apply to the intended paint.
Settle the particle specification first
Obtain a complete, consistently labelled particle-size report before setting a purchasing fineness limit for this BaSO4 powder. Ask which measurement method applies and how the distribution relates to the dispersion process; a single particle number does not establish finished-film appearance.
- Paint screening focus
- Match the industrial grade and minimum assay to the formulation brief.
- Qualification documents
- Request current chemical analysis, particle distribution and whiteness method.
From powder properties to a paint trial
The pH value of 7±0.5 provides another comparison point for the technical discussion. It should be considered alongside the paint chemistry and trial conditions, without treating a raw-material property as a guarantee of gloss, hiding power or stability.
Bring the intended binder and finish target into the barium sulfate enquiry. A resolved particle specification and a matched paint trial will make the 97% minimum precipitated powder easier to compare on the criteria that actually determine acceptance.
