Calcium Sulphate White Crystalline Powder, 98% Min, for Desiccant, Gesso and Soil-Conditioner 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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Melting point>300°Cstorage tempRoom Temperature
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solubilityWaterformSolid
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colorwhiteProduct nameCalcium Sulfate
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GradeIndustral GradeCAS99400-01-8
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Usagedesiccant,gesso,a soil conditonerPacking25kg/bag
Calcium sulphate can be the subject of very different material enquiries, so begin with the duty that needs qualification. This industrial product is described as white crystalline powder with stated formula CaO4S and minimum purity of 98%.
Identify the powder behind an anhydrous enquiry
Request current phase and water-content evidence when the requirement calls for an anhydrous grade. Keep the offered material form and the basis of its assay clear before comparing it with another calcium sulfate sample.
A crystalline powder description does not establish whisker morphology or a particle-size distribution. Ask for the relevant measurements if either characteristic is part of the intended requirement.
Set separate desiccant and gesso criteria
Desiccant and gesso are named applications, but they call for different evidence. A desiccant enquiry should request measured moisture-uptake information under defined conditions, while a gesso enquiry should identify the formulation and acceptance tests.
- For moisture control
- Define the environment and the performance measurement needed for comparison.
- For a gesso formulation
- Specify the material criteria and the actual formulation result to assess.
Document the proposed soil-conditioner duty
Soil-conditioner use is another stated context and requires relevant composition and applicable use documentation. It does not follow that the powder guarantees a crop response or supplies an application schedule.
Room-temperature storage is stated for the material. Obtain the remaining handling and physical-property records needed by the assessment, and request defined solubility or thermal tests where relevant rather than assuming preparation conditions from the sulfate name.
