Sodium Metasilicate in Powder Detergent — Grade & Dosage
Detergent manufacturers are the largest buyers of sodium metasilicate globally. Granule grade is standard for powder detergent blending lines — providing alkalinity, oil emulsification, and soil deflocculation in phosphate-free formulations.
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Short answer
Powder detergent lines normally specify granular sodium metasilicate: it supplies buffering alkalinity, oil emulsification and soil deflocculation in phosphate-free formulations, and its free-flowing form doses cleanly on automated blending equipment. Anhydrous suits low-moisture dry blends where alkalinity per tonne matters more than handling. For white powders, confirm the iron limit — trace iron is the usual cause of yellowing over shelf life rather than at blending.
Builder Function in Powder Detergents
Sodium metasilicate provides buffering alkalinity that boosts surfactant performance. It emulsifies greasy soils and prevents redeposition during wash cycles — critical in institutional and laundry powder formulations.
Granule grade offers uniform particle size, controlled dust levels, and predictable dissolution for automated blending equipment.
Procurement for Detergent Plants
Verify iron content ≤ 0.02% for white powder compatibility. Confirm batch color consistency and COA per shipment before volume contracts.
For FCL procurement, compare suppliers using the same grade, particle size, packing method, destination port, and required documents.
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