The ASTM B708 corrosion-resistant tantalum foil is a high-purity, precision-processed material designed to meet the stringent requirements of industrial and scientific applications. Manufactured in accordance with ASTM B708 standards, this tantalum foil offers exceptional resistance to corrosion, high-temperature stability, and superior mechanical properties. It is widely used in the chemical, aerospace, electronics, medical, and research industries where extreme environments demand materials with high durability and reliability.
Key Features
✔ High Purity (≥99.95%) – Ensures excellent performance in demanding environments.
✔ Superior Corrosion Resistance – Withstands aggressive acids such as hydrochloric acid, sulfuric acid, and nitric acid.
✔ High-Temperature Stability – Maintains structural integrity and oxidation resistance at extreme temperatures.
✔ Excellent Ductility & Workability – Easy to process into different shapes for specialized applications.
✔ Strong Mechanical Properties – High tensile strength and resistance to deformation.
✔ Customizable Sizes & Surface Finishes – Available in bright and matte finishes to meet specific application needs.
Applications
🔹 Chemical Processing Industry – Ideal for equipment exposed to highly corrosive substances.
🔹 Electronics & Semiconductor Industry – Used in capacitors, thin-film coatings, and high-performance components.
🔹 Aerospace & Defense – Applied in high-temperature shielding and precision parts.
🔹 Medical & Biotechnology – Suitable for medical implants and specialized surgical tools.
🔹 Scientific Research & Laboratory Use – Essential for advanced material studies and R&D projects.
Specifications
Standard: ASTM B708
Material: Tantalum (≥99.95% purity)
Thickness: 0.03mm - 2mm (Customizable)
Width: Up to 300mm (Custom sizes available)
Length: As per requirement
Surface Finish: Bright or Matte
Processing Method: Cold Rolling & Precision Annealing
Chemical composition table:
|
Grade |
Element content (mass fraction%) |
|||||||||||
|
C |
N |
O |
H |
Fe |
Si |
Ni |
Ti |
Mo |
W |
Nb |
Ta |
|
|
Ta1 |
0.01 |
0.005 |
0.015 |
0.0015 |
0.005 |
0.005 |
0.002 |
0.002 |
0.01 |
0.01 |
0.05 |
margin |
|
Ta2 |
0.02 |
0.025 |
0.03 |
0.005 |
0.03 |
0.02 |
0.005 |
0.005 |
0.03 |
0.04 |
0.1 |
margin |
Machinable dimensional tolerance:
|
Thickness |
Tolerance |
Width |
Tolerance |
Length |
Tolerance |
Thickness |
Tolerance |
|
|
Grade I |
Grade II |
|||||||
|
0.15~0.2 |
50-300 |
±2.0 |
100-1000 |
±2.0 |
0.15~0.2 |
±0.015 |
±0.02 |
|
|
>0.2~0.3 |
50-300 |
±2.0 |
100-1000 |
±2.0 |
>0.2~0.3 |
±0.020 |
±0.03 |
|
|
>0.3~0.5 |
50-300 |
±2.0 |
100-1000 |
±2.0 |
>0.3~0.5 |
±0.030 |
±0.04 |
|
|
>0.5~0.8 |
50-200 |
±1.0 |
50-700 |
±2.0 |
>0.5~0.8 |
±0.040 |
±0.06 |
|
|
>0.8~1.0 |
50-200 |
±1.0 |
50-700 |
±2.0 |
>0.8~1.0 |
±0.060 |
±0.08 |
|
|
>1.0~1.5 |
50-200 |
±1.0 |
50-700 |
±2.0 |
>1.0~1.5 |
±0.080 |
±0.10 |
|
|
>1.5~2.0 |
50-200 |
±1.0 |
50-700 |
±2.0 |
>1.5~2.0 |
±0.120 |
±0.14 |
|
|
>2.0~3.0 |
50-200 |
±1.0 |
50-700 |
±2.0 |
>2.0~3.0 |
±0.160 |
±0.18 |
|
|
>3.0~4.0 |
50-200 |
±1.0 |
50-700 |
±1.0 |
>3.0~4.0 |
±0.180 |
±0.20 |
|
Our ASTM B708 tantalum foil is manufactured with strict quality control to ensure excellent corrosion resistance and durability for the most demanding applications. We offer customized sizes and specifications to meet your project requirements.
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