99.95% niobium foil is a commercially pure niobium product supplied in thin sheet form for applications that require niobium's corrosion resistance, high melting point, and chemical stability.
Niobium foil can be supplied in different thicknesses, widths, and lengths according to the customer's requirements. The material can also be supplied with different surface conditions depending on the intended application.
For projects requiring a specific material grade or chemical composition, please provide the required specification when sending an inquiry.
Niobium is a refractory metal with a melting point of approximately 2,477°C. It retains its physical and chemical properties at elevated temperatures and has good resistance to corrosion in many chemical environments.
Niobium also becomes superconducting below its transition temperature of about 9.25 K. This property is relevant to superconducting materials and cryogenic applications.
Key properties of niobium include:
The actual properties of niobium foil can vary depending on purity, thickness, material condition, and manufacturing process. For applications with specific requirements, the material specification should be confirmed before production.
We utilize state-of-the-art cold rolling techniques to produce our niobium foil. This process ensures uniform thickness distribution and optimal grain structure throughout the material. Our manufacturing approach minimizes interstitial impurities like oxygen, nitrogen, carbon, and hydrogen to extremely low ppm levels.
The controlled processing environment maintains the material's high Residual Resistance Ratio (RRR), essential for applications requiring minimal electron scattering. This attention to detail results in consistent quality that meets the demanding requirements of modern industrial applications.
| Property | Value |
|---|---|
| Grade | Nb 1, Nb 2, R 04200, R 04210 |
| Purity | >99.95% |
| Density | 8.5 g/cm³ |
| Standard | ASTM B 393 |
| Thickness | 0.05-0.5mm |
| Width | 100mm-300mm |
| Process | Cold Rolled |
| MOQ | 1 kg |
| Delivery | 10-15 days |
| Certificate | ISO 9001:2015 |
| Surface | Bright surface |
| Production time | need about 10-15 days |
| Payment terms | 30%TT in advance, 70%balance before shipment |
Chemical composition
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Chemistry % |
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Designation |
Chief component |
Impurities maximum |
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Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Ta |
O |
C |
H |
N |
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Nb1 |
Remainder |
0.004 |
0.003 |
0.002 |
0.004 |
0.004 |
0.002 |
0.07 |
0.015 |
0.004 |
0.0015 |
0.002 |
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Nb2 |
Remainder |
0.02 |
0.02 |
0.005 |
0.02 |
0.02 |
0.005 |
0.15 |
0.03 |
0.01 |
0.0015 |
0.01 |
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Application of Niobium foil
Niobium foil can be used in a range of industrial and technical applications, including:
The appropriate grade and purity depend on the application. For high-purity or superconducting applications, additional requirements for chemical composition and material processing may apply.
Electronic devices
Medical implants
Steel industry
Chemical Processing
Aerospace and Defense
Energy and Environmental Engineering
The material can be checked according to the applicable specification before shipment. Chemical composition can be provided with the material certificate, and inspection documents can be supplied according to the order requirements.
Surface condition and dimensions are also checked before packing. If a specific inspection requirement applies to your project, please specify it when requesting a quotation.
Quality Assurance and Global Reach
Located in Baoji High-tech Development Zone, known as China's "Titanium Capital," our company brings over 30 years of rare metal industry experience to every product. We maintain strict quality control throughout the manufacturing process, ensuring each batch meets international standards.
Our products serve customers across more than 50 countries, including the United States, Germany, South Korea, and Singapore. This global presence demonstrates our commitment to delivering consistent quality worldwide.
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When you choose our high purity niobium foil, you gain access to:

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Packing
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Contact us
CHDY supplies niobium foil and other niobium products for customers requiring different sizes, purities, and material specifications.
We can supply 99.95% niobium foil as well as customized niobium foil according to customer requirements. For a quotation, please send us the required thickness, width, length, purity, quantity, and material standard.
Contact us for the latest price and availability of niobium foil.
Email: info@chdymetal.com
What'sapp : 86-18049386902
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