2500 Mesh Surface-Coated Activated Calcium Carbonate ≥98.5% CaCO3 White Ultrafine Industrial Paint Powder
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Particle-size designationMesh designationColorWhite
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Physical formPowder
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CAS No.471-34-1Purity≥98.5%
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Appearancewhite superfine powerApplicationPaint, Plastic, Rubber, Paper Making, Building
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ClassificationCarbonateEINECS No.207-439-9
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Grade StandardIndustrial GradeMolecular FormulaCaCO3
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Other NamesActivated Calcium CarbonateTypeCalcium Carbonate
Match the treatment and material reports to the same sample before comparing this coated calcium carbonate in paint. The industrial activated CaCO3 is described as white superfine powder with stated purity ≥98.5% and a 2500 Mesh model designation.
Identify the coating evidence for the proposed grade
Ask which coating chemistry and treatment information apply to the powder being considered. Surface-coated is a material designation rather than proof of an agent, treatment level or compatibility with every binder. Keep the treatment record linked to the actual sample reference.
Make the grading comparison method-specific
Request the particle-distribution or sieve report for the 2500 Mesh model, including the measurement method. The designation does not specify an exact micron distribution. Obtain current composition and impurity analysis separately to confirm the minimum purity.
Request additional physical tests where needed
Numerical whiteness requires an optical report rather than a white-appearance description. Ask for moisture, oil absorption or other measurements relevant to the paint acceptance brief.
Assess paint performance under agreed conditions
Describe the particular formulation, establish representative evaluation conditions and compare the observations with the required criteria. Neither the activated name nor mesh grade verifies dispersion, coating properties or a universal loading ratio. Plastic, rubber, paper making and building are further named enquiry areas, each requiring its own assessment. Retain current technical and safety documents with the material reference and trial record so the result remains specific to the powder and use evaluated.
