Industrial Calcium Sulfate CaO4S Crystalline Powder, 98% Minimum for Desiccant and Gesso Enquiries
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ColorWhitePhysical formCrystalline , Powder
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CAS No.99400-01-8Purity98%MIN
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AppearanceWhite crystalline powderApplicationdesiccant,gesso,a soil conditoner
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ClassificationSulphateEINECS No.231-900-3
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Grade StandardIndustrial GradeMolecular FormulaCaO4S
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Other NamesCaO4STypeCalcium Sulfate
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Product nameCalcium SulfateMelting point>300°C
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storage tempRoom TemperaturesolubilityWater
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formSolidcolorwhite
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GradeIndustral GradeUsagesoil conditioner
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CAS99400-01-8Package25kg/bag
A desiccant enquiry for this calcium sulfate should ask how the actual offered powder performs in the intended environment. The industrial CaO4S material is described as white crystalline powder with 98% minimum purity, alongside gesso and soil-conditioner application directions.
Identify the calcium sulfate phase being assessed
Obtain current analysis confirming actual composition and hydration state. Agree assay method, relevant impurities and particle criteria before treating the formula and minimum purity as a complete specification for the offered grade.
Request moisture-performance evidence for the desiccant role
Define the environment and the drying result required by the application. A desiccant label does not establish moisture uptake, drying rate or regeneration conditions, so representative tests must support any such selection criterion.
- Material question
- Which phase and powder characteristics apply to the actual grade?
- Performance question
- Which moisture tests reflect the proposed use conditions?
- Documentation question
- Do current technical and safety records match that material?
Keep gesso and soil enquiries separately qualified
A gesso role needs its own preparation and finished-material criteria. A soil-conditioner request requires applicable grade evidence and qualified local consideration of the soil and intended use rather than an assumed application rate or result.
The powder description supplies neither whisker morphology nor a measured water-solubility value. Clarify thermal-event and storage requirements for the actual offered grade, then connect composition and representative use results to the acceptance decision being made.
