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| Quantity: | |
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98.0%min
W&Q
1. Molecular Formula: KBF4
2. CAS NO.: 14075-53-7
3. Molecular Weight: 125.90
4. Property: It is a white crystalline powder or granule, slightly hygroscopic. Slightly soluble in water and hot ethanol, insoluble in cold ethanol. Its density is 2.50g/cm³ and melting point is 530℃.
5. Sepcification(%):
| Purity | 98.0min |
| H3BO4 | 0.4max |
| Cl | 0.1max |
| SO4 | 0.01max |
| Fe | 0.03max |
| Moisture | 0.05max |
| Pb | 0.01max |
| Ca | 0.05max |
| Na | 0.2max |
| Mg | 0.05max |
| Mesh Size | |
| +60 mesh | 5max |
| 60-200 mesh | 60-90 |
| 200-325 mesh | balance |
| -325 mesh | 10max |
W&Q's Potassium Fluoroborate is a highly versatile inorganic compound widely used in industrial applications, easily recognized by its white crystalline powder appearance. Its chemical formula is KBF4. This stable salt is slightly soluble in water, with good thermal stability up to its melting point, and serves as an important analytical reagent and fusing reagent, and is applied in the manufacture of boron trifluoride, as a mould material for casting aluminum and magnesium, as well as in electrochemical and chemical experiments.
1. Powerful Fluxing and Abrasive Enhancement
With high purity levels 98%min, W&Q's Potassium Fluoroborate delivers effective boron and fluoride supply, significantly lowering melting points in welding and brazing fluxes while strengthening resin bonds in grinding wheels. This improves weld quality and abrasive performance in demanding industrial applications.
2. Stable and High-Temperature Resistance
Excellent thermal stability and low impurity content ensure reliable performance at elevated temperatures, minimizing decomposition and residue buildup for consistent results in metallurgy, electroplating, and abrasive manufacturing.
3. Easy Handling and Integration
The white crystalline powder form is free-flowing and slightly soluble, enabling accurate weighing and uniform dispersion in dry mixes or solutions. Its controlled reactivity prevents side reactions, making it ideal for direct incorporation into existing flux, grinding wheel, or electrochemical formulations without process modifications.
Abrasive and Grinding Wheel Industry: In resin-bonded grinding wheel production, it serves as a key active filler and flux, strengthening bonds and improving cutting performance. This enhances wheel durability and efficiency in precision grinding for tools, automotive, and metalworking.
Welding and Brazing Flux Applications: For aluminum and magnesium welding, it acts as an efficient flux, removing oxides and promoting smooth metal flow. This improves weld quality and joint integrity in aerospace, automotive, and light metal fabrication.
Electroplating and Surface Treatment: Used in electroplating baths as a boron source and conductivity enhancer, it helps deposit uniform coatings. This improves corrosion resistance and finish quality on metal components in electronics and machinery.
Metallurgical and Chemical Processes: As a flame retardant additive and boron source in metallurgy, it supports high-temperature reactions and alloy refinement, suitable for specialty alloys and chemical synthesis requiring stable fluoride compounds.
Why does W&Q supply Potassium Fluoroborate primarily in its standard crystalline powder form rather than other forms?
W&Q chooses the standard white crystalline powder form because it is the most stable and practical under typical storage and handling conditions. This form, developed through W&Q's optimized production processes, provides superior handling characteristics—free-flowing, uniform particle size, and minimal dust—while being cost-effective for large-scale industrial applications. Other forms, such as solutions, are less stable and more corrosive, which is why W&Q focuses on delivering this reliable powder grade to meet the majority of customer needs efficiently.
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.
What are the critical specifications to check when ordering?
Assay (KBF₄ content): ≥98.0% or higher – guarantees the strong, consistent performance that W&Q is known for in grinding wheel, welding flux, and electroplating applications.
Impurity Limits: Sulfate (SO₄) ≤0.01%, Chloride (Cl) ≤0.1%, Iron (Fe) ≤0.03%, Moisture ≤0.05% – these tight controls reflect W&Q's commitment to delivering clean, high-performance products.
Heavy Metals: Strictly limited levels of Pb, As, Cd, and Hg to align with W&Q's high industrial safety and environmental standards.
Physical Appearance: Uniform white crystalline powder, free-flowing, and non-caking.
Yes – W&Q's industrial-grade Potassium Fluoroborate is specifically optimized and widely trusted for resin-bonded grinding wheels, aluminum brazing fluxes, electroplating baths, and metallurgical processes. 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 Potassium Fluoroborate, 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 resin grinding wheel formulations and brazing fluxes to troubleshooting application issues in electroplating or metallurgical processes.
• 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, abrasives, welding, electroplating, and metallurgy sectors, we understand the unique needs of grinding wheel manufacturers, welding material suppliers, and metal processors, and can adapt to your specific requirements.
