99.9% Tantalum Diboride (TaB₂) Cas No.12007-35-1

99.9% Tantalum Diboride (TaB₂)  Cas No.12007-35-1

Key Product Features

• Ultra-high melting point: approx. 2,900–3,040 °C, suitable for extreme high-temperature service.

• High hardness: outstanding wear resistance, ideal for super-hard materials and wear-resistant coatings.

• Good oxidation resistance: strong high-temperature oxidation behaviour extends component service life.

• Excellent chemical stability: corrosion-resistant against a wide range of chemical media.

• Good electrical conductivity: combines ceramic-level hardness with metallic-level conductivity.

• Narrow particle-size distribution: standard normal distribution, no bimodal / multimodal peaks, no tailing.

• Appearance: grey metallic-lustre crystals, irregular morphology, density 9.14 g/cm³.

• CAS No.: 12007-35-1.

BoronHub TaB₂ Standard Grades

Typical impurity content (wt%, typical values):

Fe ≤0.0300, Al ≤0.0005, Cr ≤0.0020, Ni ≤0.0030, Cu ≤0.0001, Nb ≤0.0010, Si ≤0.0030, Ca ≤0.0006, Mg ≤0.0020, Na ≤0.0005.

Remarks: Customized production is available upon request, including particle size, purity and packaging specs.

Storage: Vacuum-sealed packaging. Store in a cool, dry warehouse, away from moisture, dilute acids and strong oxidizers, at ambient temperature, protected from light. Use promptly after opening.

BoronHub Product Advantages & Service

• High-purity assurance: purity up to 99.99% and above; XRD shows no impurity phases, ensuring stable performance.

• Precise particle-size control: micron, sub-micron and custom granulations to meet various process requirements.

 

• Batch consistency: strict quality management ensures stable, reliable performance lot-to-lot.

• Professional testing support: equipped with ICP-MS, XRD and other instruments; full COA provided per batch.

 

• Compliant export: experienced in dual-use-item export-control regulations; compliant supply solutions for civilian customers.

• Customized service: particle size, purity and packaging can all be tailored to customer needs.

 

• Technical support: selection guidance, application consulting and sample-testing services to speed up customer validation.

 

What is Tantalum Diboride used for?

1. Aerospace & Ultra-High-Temperature Ceramics (UHTCs)

• Hypersonic-vehicle thermal-protection systems: leading edges, nose tips and wing leading edges subject to >2,000 °C aerodynamic heating; its melting point (~2,900–3,040 °C) and oxidation resistance preserve structural integrity.

• Rocket-engine and nozzle components: nozzle throats, combustion-chamber liners and thrust-chamber coatings resist high-temperature gas erosion and chemical attack, extending engine life.

• Spacecraft high-temperature protective coatings: used on re-entry vehicle surfaces to improve thermal-shock and ablation resistance while reducing TPS weight.

• UHTC composites: a key constituent of UHTCs, compounded with SiC, ZrC and others for extreme-environment structural components.

2. Electronics & Semiconductor Industry

• Semiconductor diffusion barrier: in IC copper-interconnect processes, TaB₂ films act as diffusion barriers, preventing Cu migration into the Si substrate and improving device reliability.

• Conductive and doping materials: used as conductive layers, electrode materials and doping sources in semiconductor fabrication to enhance electrical performance.

 

• High-precision sputtering targets: for functional thin films in optoelectronic devices, thin-film transistors (TFT), display panels and solar cells.

• Electron-emission and electrode materials: leveraging conductivity and high-temperature stability for electron-gun electrodes and field-emission devices.

• MEMS and sensors: high-temperature conductive components in micro-electro-mechanical systems and extreme-environment sensors.

 

3. Protective Equipment & Special Applications

• Civilian ballistic-protection components: using high hardness and impact resistance for body-armor plates, protective helmets and armored-vehicle panels against fragments and impact.

• Special protective coatings: surface coatings for police, security and high-risk-operation gear, improving wear, impact and corrosion resistance.

• Protective cabins & safety enclosures: lightweight, high-strength protection for civilian special-purpose vehicles and safety capsules.

4. Industrial Wear-Resistant & High-Temperature Components

• High-temperature refractories: furnace linings, refractory bricks, crucibles and thermocouple protection tubes resisting molten metal and high-temperature atmospheres.

• Electrodes and heating elements: high-temperature electrodes and heating elements for vacuum furnaces and induction furnaces.

• Wear-resistant mechanical parts: pump/valve seal rings, nozzles, bearings and dies, significantly extending service life.

• Metal melting & continuous casting: molten-metal delivery pipes, continuous-casting separation rings and molten-metal filters.

• Glass & ceramics industry: glass-melting furnace components and ceramic-setting plates resisting high temperature and chemical attack.

5. Composites & R&D

• Metal-matrix composite reinforcements: reinforcing phase in Al-, Ti- and Cu-matrix composites to boost hardness, wear resistance and high-temperature strength.

• Ceramic-matrix composite additives: improving toughness, conductivity and thermal-shock resistance of ceramic materials.

 

• Research & new-material development: laboratory synthesis and study of UHTCs, cemented carbides and boride functional materials.

• Cemented-carbide additives: for ultra-fine-grained hardmetals, improving tool and die wear resistance.

 

6. Civilian Nuclear & Extreme Environments

• Nuclear-reactor radiation-resistant components: radiation-resistant, molten-metal-corrosion-resistant structural parts in civilian nuclear reactors.

• Nuclear-waste handling equipment: liners for waste containers and corrosion-resistant parts in high-temperature processing equipment.

• Extreme corrosive environments: special structural parts and coatings for strong-corrosion, high-temperature chemical and metallurgical service.