Potassium Fluoride
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Potassium Fluoride

W&Q's Potassium Fluoride is a white crystalline powder or granules, density: 2.48g/cm³, melting point: 858°C, highly soluble in water (forming alkaline solution), slightly soluble in ethanol, highly hygroscopic and deliquescent in moist air.
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  • 98%min

  • W&Q

1. Molecular Formula: KF

2. CAS NO.: 7789-23-3

3. Molecular Weight: 58.10 

4. Property: It is a white crystalline powder or granules, highly hygroscopic and deliquescent in moist air. Highly soluble in water (forming alkaline solution), slightly soluble in ethanol, insoluble in organic solvents. Its density is 2.48g/cm³ and melting point is 858℃.

5. Sepcification(%):

Purity 98min
HF 0.5max
K2CO3 0.2max
Cl 0.05max
Si 0.2max
Fe 0.03max


Potassium Fluoride


Product Overview

W&Q's Potassium fluoride 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 KF. This hygroscopic salt is highly soluble in water, forming an alkaline solution, and serves as an important fluoride source in glass engraving, food preservation, electroplating, welding flux, and as a raw material for potassium bifluoride production.


Product Benefits

1. Precise and Efficient Glass Engraving

  • With 98%min high purity levels, W&Q's Potassium Fluoride provides controlled fluoride release for accurate glass engraving and etching. This enables intricate designs and uniform matte finishes, enhancing aesthetic quality and precision in decorative and industrial glass products.

2. Reliable Food Antiseptic Performance

  • As an effective food-grade antiseptic, it inhibits microbial growth and extends shelf life in preserved foods. This ensures product safety and stability while meeting stringent food industry standards for preservation.

3. Easy Handling and Integration

  • The white crystalline powder or granular form is free-flowing and highly soluble, allowing precise weighing and rapid dissolution in water or plating baths. Its controlled hygroscopic nature and uniform quality prevent clumping or unwanted reactions, making it ideal for seamless integration into existing glass engraving, electroplating, welding flux, food preservation or potassium bifluoride production lines without any process adjustments.


Usage

  1. Glass Engraving Industry: In glass processing, it serves as an effective etchant for glass engraving and frosting. This creates intricate patterns, matte surfaces, and decorative designs, enhancing aesthetics in architectural, decorative, and specialty glass products.

  2. Food Preservation: As a reliable food antiseptic, it inhibits microbial growth and prevents spoilage in various food products. This extends shelf life and maintains safety in food processing and preservation applications.

  3. Electroplating Applications: Used as an additive in electroplating baths, it improves solution conductivity and deposit quality. This results in uniform, adherent coatings with enhanced corrosion resistance on metal parts.

  4. Welding Flux: Acts as a powerful flux in welding processes, removing oxides and promoting better metal flow. This produces cleaner, stronger welds with fewer defects in metal fabrication and joining operations.

  5. Raw Material for Potassium Bifluoride: Serves as a key starting material for producing potassium bifluoride. This supports efficient synthesis in downstream fluorine chemical manufacturing with consistent quality and yield.


FAQ

What safety measures are essential when working with W&Q's Potassium Fluoride?

Potassium Fluoride is toxic and corrosive. Always use full PPE (gloves, goggles, respirator, protective clothing) in a well-ventilated area. Avoid skin contact, inhalation, or ingestion, as it can cause severe burns or systemic fluoride poisoning. In case of exposure, rinse immediately with plenty of water and seek medical help. Our detailed SDS provides comprehensive handling and emergency guidelines.


How does Potassium Fluoride perform as a welding flux compared to other fluoride salts?

W&Q's high-purity Potassium Fluoride offers excellent oxide removal and metal wetting properties with lower corrosiveness than alternatives. It produces cleaner welds with minimal residue, making it particularly effective for aluminum and light alloy welding applications while maintaining process stability.


Can W&Q customize Potassium Fluoride for food-grade antiseptic applications?

Yes! We can supply food-grade certified Potassium Fluoride that meets relevant food additive standards. Our technical team will provide necessary documentation, purity specifications, and dosage recommendations to ensure compliance and optimal preservation performance in your food products.


What advantages does Potassium Fluoride offer in electroplating baths?

It significantly improves bath conductivity, stabilizes pH, and enhances deposit uniformity and adhesion. This results in brighter, more corrosion-resistant coatings with fewer defects—ideal for decorative and functional plating on metals.


Why Choose Us


W&Q stands out as a leading supplier of Potassium Fluoride, 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 engraving formulations and electroplating baths to troubleshooting application issues in welding flux, food preservation, or potassium bifluoride production. 

• 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 processing, food preservation, electroplating, welding, and fluorine chemical sectors, we understand the unique needs of glass engravers, food processors, electroplating plants, welding material suppliers, and bifluoride producers, and can adapt to your specific requirements.


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