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99%min
W&Q
1. Molecular Formula: Na2SiF6
2. CAS NO.: 16893-85-9
3. Molecular Weight: 188.06
4. Property: It is a white crystalline powder, low hygroscopicity. Slightly soluble in water, insoluble in ethanol. Its density is 2.7g/cm³ and it decomposes on heating above 500℃.
5. Sepcification(%):
| Purity | 99min |
| Cl | 0.1max |
| SO4 | 0.25max |
| Fe | 0.02max |
| Pb | 0.01max |
| Loss on drying(at 105℃) | 0.3max |
| Free Acid(as HCl) | 0.1max |
| W.I.M | 0.5max |
W&Q's Sodium Silicofluoride is a highly versatile inorganic compound widely used in industrial applications, easily recognized by its white crystalline powder appearance. Its chemical formula is Na₂SiF₆. This stable salt is slightly soluble in water, and serves as a milky agent and fusing agent for glass and enamel, wood preservative, agricultural insecticide, hygroscopic agent for acid-resisting cement, coagulation accelerator in natural emulsion products, additive in electroplating, stuffing agent in plastics, in pharmacy, fluorinating treatment for drinking water, and for man-made crystals and sodium fluoride production.
1. Excellent Milky and Fusing Performance in Glass & Enamel
With high purity levels, W&Q's Sodium Silicofluoride acts as an effective opacifier (milky agent) and flux (fusing agent) in glass and enamel formulations. This produces uniform opalescent effects, lowers melting temperatures, and improves durability and aesthetics in decorative and industrial products.
2. Reliable Preservation and Insecticide Action
Serves as a strong wood preservative and agricultural insecticide, protecting timber from decay and crops from pests with long-lasting efficacy and environmental stability.
3. Enhanced Cement and Emulsion Properties
Functions as a hygroscopic agent in acid-resisting cement and coagulation accelerator in natural emulsion products, improving moisture control, strength, and setting speed for superior construction and rubber materials.
4. Versatile Additive in Electroplating and Plastics
Used as an additive in zinc, nickel, and iron electroplating and as a stuffing agent in plastics, enhancing coating quality, corrosion resistance, and material performance.
5. Easy Handling and Integration
The white crystalline powder form is free-flowing and stable, allowing precise dosing and uniform mixing in dry formulations or solutions. Its low hygroscopicity and controlled solubility ensure safe, seamless integration into existing glass, enamel, cement, or water treatment processes without adjustments.
Glass and Enamel Production: Serves as a milky agent and fusing agent in glass and enamel manufacturing, creating opalescent effects and lowering melting points for high-quality decorative and industrial products.
Wood Preservation: Used as a preserving agent for timber, protecting against fungal decay and insects in construction and outdoor applications.
Agricultural Insecticide: Applied as an insecticide in agriculture, effectively controlling pests and protecting crops.
Acid-Resisting Cement and Emulsion Products: Acts as a hygroscopic agent in acid-resisting cement and coagulation accelerator in natural emulsion (e.g., latex) products, improving durability and processing.
Electroplating and Plastics: Incorporated as an additive in zinc, nickel, and iron electroplating baths and as a stuffing agent in plastics for enhanced performance.
Water Fluoridation and Fluorine Chemicals: Used in fluorinating treatment for drinking water, man-made crystals, pharmacy, and as a raw material for sodium fluoride production.
How does Sodium Silicofluoride function as a milky agent and fusing agent in glass and enamel production?
W&Q's 99%min high-purity Sodium Silicofluoride acts as an effective opacifier (milky agent) to create uniform pearl or opalescent effects and as a flux (fusing agent) to lower melting temperatures. This results in improved melt flow, reduced defects, and enhanced durability in decorative glass, enamel coatings, and vitreous products.
Yes! Simply provide your logo or label design, and we'll incorporate it into the packaging—helping you maintain brand consistency in your supply chain.
Assay (Na₂SiF₆ content): ≥99% or higher – guarantees reliable performance in glass opacifying, preservation, and water treatment.
Impurity Limits: Sulfate (SO₄) ≤0.25%, Chloride (Cl) ≤0.1%, Iron (Fe) ≤0.02%.
Heavy Metals: Strictly limited levels of Pb, As, Cd, and Hg.
Physical Appearance: Uniform white crystalline powder, free-flowing.
Store in sealed containers in a cool, dry, well-ventilated area away from acids and moisture. Its low hygroscopicity ensures good stability, but proper sealing prevents caking and maintains quality over long periods.
W&Q stands out as a leading supplier of Sodium Silicofluoride, backed by our expertise in fine chemicals and customer focus:
• We offer a full product line of cobalt, nickel, copper, fluoride, tungsten, and rare earth compounds—so you can source all your industrial chemicals from a single, reliable supplier.
• Our team includes professional technical personnel who provide tailored support, from helping you optimize glass/enamel opacifying and water fluoridation formulations to troubleshooting preservation, insecticide, cement, or electroplating applications.
• We adhere to the business philosophy of "breaking old rules and embracing innovation," constantly improving our production processes to enhance product quality and reduce costs.
• We provide excellent after-sales service, ensuring you are satisfied with your order—if you have questions or concerns, our team responds promptly.
• With over 40 key products covering industry, glass/enamel, construction, agriculture, water treatment, electroplating, and plastics sectors, we understand the unique needs of glass manufacturers, cement producers, water treatment plants, and agricultural users, and can adapt to your specific requirements.
