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98.5%min
W&Q
1. Molecular Formula: MgSiF6·6H2O
2. CAS NO.: 16949-65-8
3. Molecular Weight: 274.48
4. Property: It is a white crystalline powder or granules, slightly hygroscopic. Moderately soluble in water, insoluble in ethanol. Its density is approx. 1.79g/cm³ (for hexahydrate) and it decomposes on heating without a defined melting point.
5. Sepcification(%):
| Purity | 98.5min |
| H2SiF6 | 0.5max |
| H2O | 0.5max |
| MgSO4·7H2O | 0.3max |
| W.I.M | 0.2max |
W&Q's Magnesium Silicofluoride is a highly versatile inorganic compound widely used in industrial applications, easily recognized by its white crystalline powder or granular appearance. Its chemical formula is MgSiF₆·6H₂O. This stable salt is moderately soluble in water, forming an acidic solution, and serves as an important water-repellent and hardener to significantly improve the hardness, intensity, and durability of concrete surfaces.
1..Superior Concrete Hardening Performance
With 98.5%min high purity levels, W&Q's Magnesium Silicofluoride penetrates deeply into concrete surfaces, reacting with free lime to form insoluble compounds. This significantly increases surface hardness, compressive strength, and abrasion resistance, ideal for heavy-duty industrial floors and high-traffic areas.
2. Excellent Water-Repellent Properties
It effectively seals concrete pores, creating a long-lasting hydrophobic barrier that repels water and prevents moisture ingress. This reduces efflorescence, cracking from freeze-thaw cycles, and damage from water-borne contaminants, extending the service life of concrete structures.
3. Dust-Proof and Low-Maintenance Finish
The treatment eliminates concrete dusting by binding surface particles, resulting in a cleaner, safer environment with reduced maintenance costs. This makes it perfect for warehouses, parking garages, and manufacturing facilities requiring minimal downtime.
4. Easy Handling and Integration
The white crystalline powder form dissolves readily in water for simple on-site preparation of treatment solutions. Its stable composition and controlled reactivity ensure uniform application and consistent results, integrating seamlessly into existing concrete finishing or restoration processes without special adjustments.
Concrete Floor Hardening: In industrial and commercial flooring, it serves as a highly effective hardener applied to concrete surfaces. This penetrates and reacts with the concrete to dramatically increase hardness, abrasion resistance, and compressive strength, ideal for warehouses, factories, and high-traffic areas.
Waterproofing Concrete Structures: Used as a water-repellent treatment for concrete, it seals pores and creates a hydrophobic barrier. This prevents water penetration, reduces moisture-related damage, and protects against efflorescence in buildings, bridges, parking garages, and outdoor concrete elements.
Surface Treatment for New Concrete: Applied during or shortly after concrete pouring and curing, it enhances long-term durability and intensity. This results in denser, more resilient surfaces with improved resistance to wear, chemicals, and environmental factors.
Restoration and Maintenance of Aged Concrete: For repairing and revitalizing existing concrete floors or structures, it rejuvenates worn surfaces by hardening and waterproofing. This extends service life, reduces dusting, and minimizes maintenance costs in older industrial or commercial facilities.
What are the main advantages of using Magnesium Silicofluoride as a concrete hardener over traditional sodium or lithium silicates?
W&Q's Magnesium Silicofluoride penetrates deeper into concrete due to its larger molecular size, forming more stable insoluble compounds with free lime. This results in superior long-term hardness, better abrasion resistance, and less surface whitening compared to sodium-based alternatives, while being more cost-effective and environmentally friendly than lithium silicates.
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.
Does Magnesium Silicofluoride work on both new and existing concrete surfaces?
Absolutely – it is highly effective on both freshly poured (after proper curing) and aged concrete. On older surfaces, it revitalizes worn areas by filling micro-cracks, reducing dusting, and restoring hardness and water repellency without altering appearance.
Yes – W&Q's industrial-grade Magnesium Silicofluoride is specifically optimized and widely trusted for concrete hardening, water-repellent treatments, surface densification, and durability enhancement in construction materials. Backed by W&Q's years of expertise in inorganic fluorine chemicals and stable production capacity, it delivers reliable results in demanding environments. The product complies with general international chemical regulations for industrial use. W&Q provides comprehensive safety data sheets (SDS), technical support, and documentation to assist with regional requirements, ensuring our customers can use W&Q products with complete confidence.
W&Q stands out as a leading supplier of Magnesium 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 concrete hardening and waterproofing formulations to troubleshooting application issues in floor treatment or construction projects.
• 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, construction, concrete enhancement, waterproofing, and building materials sectors, we understand the unique needs of flooring contractors, concrete producers, and construction engineers, and can adapt to your specific requirements.
