
Potassium Doped Tungsten Powder
Elmet Technologies specializes in producing potassium doped tungsten powder, a material known for its outstanding thermal stability and enhanced radiation shielding, commonly known as non-sag tungsten. Designed for high-performance applications, this advanced material boasts a minimum tungsten purity of 99.95%, with trace amounts of potassium, and strictly adheres to ASTM standards, ensuring consistent, reliable quality.

Potassium doped tungsten is indispensable in the electric filament industry and is gaining attention for future fusion energy projects. Its unique properties also make it ideal for high-temperature, non-sag wire applications, particularly in the lighting and electronics sectors. Additionally, in rod form, this material offers exceptional strength and machinability, making it suitable for a wide range of industrial applications.
Benefits of Potassium Doped Tungsten
Potassium doped tungsten powder offers remarkable advantages for tungsten wire, especially in high-temperature applications.
- Reduces the frequency of replacements caused by thermal wear.
- Improves tungsten’s thermal stability during operation.
- Minimizes deformation and sagging at incandescent temperatures.
- Enhances durability and performance in extreme environments.
These qualities make potassium doped tungsten an exceptional material for a wide range of industrial uses.



Exceptional Tungsten Performance for Extreme Conditions
Elmet Technologies specializes in high-quality potassium doped tungsten, offering superior performance for demanding applications. With 99.95% tungsten purity, our advanced processing ensures uniform potassium distribution, eliminating sagging at high temperatures. We offer customized tungsten solutions in powder, wire, and rod forms, serving industries such as lighting, electronics, and energy. Backed by strict quality assurance, our materials are engineered for extreme environments, delivering unmatched thermal stability and durability.
Why choose our WK Powder?
Elmet Technologies is a trusted leader in high-performance materials, with expertise in potassium doped tungsten (WK) production.
- Exceptional Purity: Our tungsten powder is 99.95% pure for reliable, high-performance results.
- Stringent Quality: Every batch is tested to meet ASTM standards, ensuring top consistency.
- Proven Excellence: We supply materials for critical applications like electronics, lighting, and fusion energy projects.
- Tailored Solutions: Our team works with you to create solutions for your specific needs.

Leaders in High-Performance Refractory Metals
Elmet Technologies is a leading manufacturer of high-performance refractory metals, specializing in advanced tungsten metal materials. With decades of experience and a focus on innovation, we provide reliable solutions for the most demanding industrial and scientific applications. Our fully integrated manufacturing process guarantees exceptional quality at every stage, from powder metallurgy processing to advanced, high-quality finished machined products.