0.05mm high-temperature resistant tantalum foil

Tantalum foil is an ultra-thin metal sheet made of high-purity tantalum (Ta) through vacuum melting, precision rolling and annealing. It is typically 0.01–0.1 mm thick and has a purity of 99.9%–99.999%.

1. Core Characteristics

High Melting Point and High Temperature Stability: Melting point approximately 3000°C, maintaining strength and shape at high temperatures, suitable for vacuum/high-temperature furnaces and heat shielding layers.

Extreme Corrosion Resistance: Only hydrofluoric acid corrodes it at room temperature; resistant to strong corrosive media such as hydrochloric acid, sulfuric acid, and aqua regia; surface self-passivates to form a dense oxide film.

Excellent Mechanical and Machinability: Body-centered cubic structure, room temperature tensile strength 240–300 MPa, elongation 25%–40%, suitable for micro-stamping, winding, and laser welding.

Stable Electrical Properties: Dielectric constant approximately 27, extremely low leakage current (<1 nA/cm²), ideal material for high-reliability capacitors and thin-film circuits.

Biocompatibility: Non-toxic and bio-inert, suitable for implantable materials and medical electrodes.

II. Main Applications

1. Electronics and Semiconductors (Largest Application Area)

Tantalum electrolytic capacitor anodes: High specific capacitance, low leakage current, long lifespan; used in key energy storage/filtering components such as mobile phones, computers, automotive electronics, and 5G base stations.

Semiconductor sputtering targets: Deposit Ta/TaN barrier layers and Ta₂O₅ high-k dielectric films; used in advanced process chips (such as CPUs and memory).

OLED evaporation boats/heat shields: High temperature resistant, non-polluting; used for heat shielding in organic material evaporation and photolithography processes.

2. Chemical Corrosion Protection
Reaction vessel/container linings, tower packing, heat exchangers: Resistant to strong acids/halogens; used in highly corrosive environments such as fine chemicals, pharmaceuticals, and hydrometallurgy.

3. Medical and Bioengineering
Implantable electrodes, nerve stimulation electrodes, cranial repair mesh, artificial joint coatings: Biocompatible, good osteoconductivity, safe for long-term implantation.

Electrode patches for beauty instruments: Conductive, resistant to skin secretions corrosion; suitable for precision care devices.

4. Aerospace and High Temperatures

Spacecraft thermal shielding/radiation protection: Laminated with aluminum to form lightweight, multi-layered shields, protecting sensitive circuits from space radiation.

Aircraft engine hot-end components, vacuum furnace/sintering furnace linings: High temperature resistance, creep resistance, adaptable to extreme operating conditions.

5. Energy and Nuclear Industry
Nuclear reactor control rods/shielding layers, fuel cell electrodes, superconducting cavities: Low neutron absorption cross-section, stable, used in nuclear energy and new energy equipment.

Quality Control and Testing

Each product undergoes rigorous inspection before shipment:

Dimensional Inspection: Precise measurement of thickness, length, and width

Chemical Composition and Mechanical Property Analysis: Third-party testing reports

Surface Inspection: Visual and microscopic inspection for defects

Ultrasonic Testing: Detection of internal defects

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Why Choose Us

Technology and Quality: Located in Baoji, China's Titanium Valley, we possess professional production technology and extensive experience in non-ferrous metal manufacturing.

Global Coverage: We provide consistently high-quality products to customers in Australia, South Korea, Germany, the USA, the UK, Malaysia, and the Middle East.

Quality Commitment: We never compromise on quality and are responsible for every product we manufacture.

Technical Support: We have professional personnel overseeing the entire process from raw materials to finished products!

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