Sodium Metasilicate for the Detergent Industry
Detergent manufacturers use sodium metasilicate in powder and institutional cleaning formulations where alkalinity, particle form, color, iron content, and dissolution behavior affect production performance.
Updated
Short answer
In laundry, dishwashing and institutional cleaning powders, sodium metasilicate works as a phosphate-free alkaline builder: it raises and buffers wash pH, emulsifies oils and greases, sequesters water hardness, and protects metal wash parts from corrosion. Granular grade is preferred for free flow, low dust and reliable dosing on automated blending lines; anhydrous suits low-moisture dry blends. Zhongzhi Chemical supplies detergent-grade sodium metasilicate at SiO₂ ≥45.0% with Superior-grade iron ≤0.010% for white powders, from China, with COA, SDS and REACH documentation.
How Sodium Metasilicate Is Used
- Alkaline builder in laundry and dishwashing powder formulations
- Oil emulsification and soil deflocculation during wash cycles
- Phosphate-free and eco-label detergent builder systems
- Automated blending lines using free-flowing granule grade
Benefits for This Industry
- Stable color and iron ≤ 0.02% for white powder detergents
- Uniform granule size for consistent automated dosing
- COA, MSDS, TDS and packing details available for review
- Bulk shipment review based on grade, packing, quantity, and destination
How Our Sodium Metasilicate Supports This Application
| Formulation need | Product feature | Value to your line |
|---|---|---|
| Alkalinity to break down oily and greasy soils | High Na₂O/SiO₂ content with strong pH buffering | Stable high wash pH that saponifies fats and lifts soils |
| Phosphate-free / eco-label compliance | Silicate builder with no phosphate | Replaces or reduces STPP to meet phosphate limits and eco-labels |
| Consistent cleaning in hard-water regions | Sequesters calcium and magnesium hardness | Predictable wash performance across different water supplies |
| White powder appearance | Iron ≤ 0.02% and controlled whiteness | Keeps finished powder white without grey or yellow tint |
| Reliable automated dosing | Uniform granule size, free-flowing, low dust | Accurate metering and cleaner, less-blocked blending lines |
| Procurement and export compliance | COA, SDS and REACH documentation per grade | Passes buyer audits and customs documentation checks |
Sodium metasilicate granules are our highest-output grade — recommended for most powder detergent lines. Anhydrous suits low-moisture dry blends.
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