Industrial Sodium Metasilicate Pentahydrate, 99% Minimum, for Paper and Pulp Processing Trials
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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 paper or pulp enquiry should name the actual processing duty and the material evidence needed for acceptance. This industrial sodium metasilicate pentahydrate, Na2SiO3·5H2O, is described as white granules with 99% minimum purity, Na2O content of 28.5–30.0% and easy water solubility.
Identify the paper or pulp processing duty
Describe the intended stage and the accepted material and output measurements before choosing a grade. The application direction supports a technical enquiry, while a benefit in the actual process requires relevant qualification rather than an assumed response from the chemical name.
Compare the minimum assay with the actual Na2O report
Request current results and analysis bases for both the overall purity and Na2O content. These are separate measurements, and neither provides an unreported silicate modulus, quantitative alkalinity or the complete impurity profile required by the project.
- Material brief
- Required chemistry, actual granule form and measured particle limits.
- Process brief
- The paper or pulp duty and its accepted qualification measurements.
Match the sample and documentation to the trial
Confirm the supplied granules and obtain particle measurements with their methods before comparison. Request current safety and technical documents and applicable ISO scope, then define the relevant trial without adopting a universal dose or manufacturing instruction.
Samples are available, with terms and current storage and shelf-life conditions to agree. Include the actual processing duty and requested analysis in the enquiry so the offered pentahydrate is compared through grade evidence and accepted process results without an assumed paper or pulp performance guarantee.



