Sodium Metasilicate Pentahydrate Industrial Granules, 99% Purity for Measured Alkalinity and Process Enquiries
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ColorWhitePhysical formGranular
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CAS No.10213-79-3Purity99%
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AppearanceWhite granuleApplicationDetergent, Textile, Ceramics, Water Treatment, Met
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ClassificationSilicateEINECS No.229-912-9
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Grade StandardIndustrial GradeMolecular FormulaNa2SiO3*5H2O
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Other NamesDisodium Metasilicate PentahydrateMolecular Weight212.14
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HS CodeHS CodeSolubilityEasily Soluble in Water
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Na2O Content28.5%-30.0%Supply Ability5000 MT per Month
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Packaging25kg PP Bag, 1000kg Jumbo BagShelf Life24 Months
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StorageStore in Cool, Dry and Well-Ventilated PlaceSampleAvalible
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CertificateCOA, MSDS, TDS, ISO
A stable-alkalinity requirement should be expressed through a measured method and acceptance criterion for the offered material. This industrial sodium metasilicate pentahydrate is white granules with 99% purity and reported Na2O content of 28.5–30.0%.
Define the alkalinity requirement independently of content
Request the actual measurement basis and evidence relevant to any alkalinity or consistency target. Na2O content and chemical identity do not by themselves supply a numerical alkalinity result, stability assessment or unreported modulus, so keep those requirements separate from the assay.
- Confirm the actual pentahydrate composition and current analysis with relevant impurity limits.
- Agree the methods supporting purity, Na2O content and any required alkalinity criterion.
- Define the material role, process conditions and representative acceptance tests for the application.
Match granule and solution criteria to the process
Obtain the actual granule distribution and physical requirements needed by the intended formulation. Easily soluble in water is a qualitative description, so confirm relevant solution conditions and methods rather than assuming a dissolution curve, process dose or universal compatibility.
Verify current documents for the offered pentahydrate
Reconcile the Na2SiO3·5H2O designation and chemical identifiers with actual technical, analysis and safety documents. Any required ISO evidence needs its current applicable certificate and scope, with the cool, dry and well-ventilated storage direction and shelf-life conditions confirmed.
Detergent, textile, ceramic and water-treatment enquiries each need their own actual role and qualification evidence. For this grade comparison, use confirmed analytical criteria and representative process results to assess the offered granules, including any specifically measured alkalinity requirement.
