Tantalum Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7440-25-7 |
| Product name | Tantalum |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeElectronic GradeIndustrial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Tantalum
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Tantalum Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Tantalum
| Industry | Application | Process |
|---|---|---|
| Electronics | Manufacturing high-reliability electrolytic capacitors (tantalum capacitors) for precision electronic devices such as smartphones, computers, and medical equipment | Powder metallurgy, anodization, sintering |
| Aerospace | High-temperature, corrosion-resistant components including engine parts, heat exchangers, and rocket nozzles | Forging, precision casting, welding |
| Chemical Processing | Acid-resistant equipment (e.g., reactors, heat exchangers, valves, pipe linings) and anodic protection materials for chlor-alkali production | Cold rolling, welding, coating |
| Medical | Surgical implants (e.g., bone plates, suturing needles, vascular stents), leveraging biocompatibility and corrosion resistance | 3D printing, machining, polishing |
| Energy | Cladding materials and control components for nuclear reactors, plus high-temperature alloy additives | Alloying, powder metallurgy, hot pressing |
| Cemented Carbides | Tantalum carbide (TaC) for cutting tools, drill bits, and wear-resistant components to enhance hardness and high-temperature performance | Carburization, sintering |
| Optical Glass | Tantalum oxide addition to increase glass refractive index for camera lenses and optical instruments | High-temperature melting, forming |
| Superconducting Materials | Niobium-tantalum alloys (e.g., Nb₃Sn) for superconducting magnets used in MRI systems and particle accelerators | Alloy melting, wire drawing |
| Jewelry | Wear-resistant jewelry (e.g., rings, watches) as a platinum substitute | Precision casting, polishing |
| Defense & Military | Armor-piercing projectile cores, armor plating, and highly stable components for military electronic equipment | Powder metallurgy, hot forming |
Manufacturing Quality Control of Tantalum
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Purity (Ta content) | Gravimetric analysis after precipitation as Ta2O5 | Ta is oxidized and precipitated as tantalum pentoxide, then weighed to calculate elemental Ta content. |
| Oxygen content | Inert gas fusion with infrared detection | Sample is fused in graphite crucible under inert atmosphere; evolved CO/CO2 is measured by IR to determine oxygen. |
| Nitrogen content | Inert gas fusion with thermal conductivity detection | Sample is fused in graphite crucible under inert gas; liberated N2 is quantified by thermal conductivity. |
| Carbon content | Combustion-infrared absorption | Sample is combusted in oxygen-rich furnace; generated CO2 is detected by infrared absorption. |
| Hydrogen content | Vacuum hot extraction with thermal conductivity detection | Sample is heated under vacuum; evolved H2 is measured via thermal conductivity cell. |
| Iron (Fe) impurity | ICP-OES | Dissolved sample is nebulized into plasma; Fe emission intensity at characteristic wavelength is measured. |
| Niobium (Nb) impurity | ICP-MS | Dissolved sample is ionized in plasma; Nb isotopes are separated by mass spectrometer and quantified. |
| Silicon (Si) impurity | ICP-OES | Dissolved sample is atomized and excited in plasma; Si emission signal is measured at specific wavelength. |
| Aluminum (Al) impurity | AAS (Flame) | Dissolved sample is aspirated into air-acetylene flame; Al atomic absorption at 309.3 nm is measured. |
| Chloride (Cl) content | Ion chromatography | Sample is dissolved and anions separated on ion-exchange column; Cl- is detected by conductivity. |
| Particle size distribution | Laser diffraction | Dry or wet dispersed particles scatter laser light; size distribution is calculated from angular scattering pattern. |
| Specific surface area | BET nitrogen adsorption | N2 gas is adsorbed onto sample surface at liquid nitrogen temperature; surface area is derived from adsorption isotherm. |
Technical Specifications of Tantalum
| Test Item | Specification |
|---|---|
| Appearance | Dark grey powder |
| Purity | >=99.0% |
| Total Impurities | <=1.0% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm |
| Melting Point | 3017°C |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Tantalum
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Tantalum
Industrial Tantalum Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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