Features of Boron Nitride Crucibles
- Excellent thermal stability for use up to 2000°C
- High chemical resistance to acids and molten metals
- Electrically insulating while thermally conductive
- Non-wettable to most molten materials
- Easily machinable into complex custom shapes
- Ideal for high-purity and vacuum environments
Precision Boron Nitride Crucibles for Extreme Environments: High-Purity Boron Nitride Solutions
With high purity, excellent insulation, and strong resistance to corrosion and molten metal adhesion, boron nitride crucibles are widely used in crystal growth, vacuum coating, and chemical vapor deposition. They provide a stable and inert environment, helping customers maintain material integrity and process efficiency under extreme conditions.
High-Temperature Solutions for Clean and Reactive Processing with Boron Nitride Crucibles
Newthink provides custom boron nitride crucibles based on your specifications, ensuring high purity, precise machining, and stable performance.
Designed for ultra-pure applications, resistant to thermal shock and chemical attack.
Enables sealed operation under vacuum or inert gas conditions.
Offers strong mechanical properties and thermal resistance for demanding environments.
Common format for crystal growth and molten material containment.
Ensures contamination-free melting, ideal for semiconductor and laboratory use.
Used in PVD systems to vaporize metals and oxides at high temperatures.
Supports clean CVD processing with minimal reactivity.
Easily machined into complex custom forms without cracking.
Available in a wide range of dimensions to meet specific technical requirements.
Application of Boron Nitride Crucibles
Newthink supports your precision processes with boron nitride solutions designed for heat, insulation, and chemical resistance across critical applications.
Vacuum Evaporation CoatingBoron nitride crucibles are ideal for vacuum evaporation systems due to their high thermal stability and non-wettability with metals.
Crystal Growth of SemiconductorsUsed in growing silicon, gallium arsenide, and other semiconductor crystals where chemical inertness and thermal uniformity are critical.
Chemical Vapor Deposition (CVD)Perfect for CVD processes where BN’s low reactivity ensures a clean deposition environment for thin films.
Metal Alloy Melting and CastingEnables contamination-free melting of reactive or precious metals thanks to its high purity and corrosion resistance.
Dielectric Material ProcessingUsed in the processing of dielectric ceramics where electrical insulation and thermal resistance are required.
Laboratory High-Temperature AnalysisCommon in analytical labs for thermal testing and material synthesis requiring stable, inert crucible materials up to 2000°C.
Why Choose Newthink Boron Nitride Crucibles?
Choosing Newthink means choosing stable quality, for we deliver exactly what you need.
Crucibles can be precisely shaped to meet unique dimensions and technical requirements.
Deep expertise in PVD, CVD, and evaporation applications guarantees process compatibility.
Efficient production and inventory ensure reduced lead time and supply risk.
Supports both prototyping and mass production needs for small and large clients.
Strict testing and documentation ensure batch-to-batch reliability.
Engineers provide consultation on crucible design, material choice, and application fit.
Boron Nitride Crucibles Production Workshop
Newthink has 14 years of experience in advanced ceramic production. With full in-house capabilities including hot pressing, grinding, and precision forming, our workshop delivers high-purity boron nitride crucibles tailored to your specifications. Each unit is securely packed to prevent damage in transit.
Package of Boron Nitride Crucibles
Each boron nitride crucible is vacuum-sealed or foam-protected, boxed individually, and shipped in reinforced export cartons with fragile labeling to ensure safe delivery and minimize replacement costs due to damage.
Boron Nitride Crucibles Specifications
- Properties
- Structure & Form
- Typical Applications
| Property | Typical Values |
| Density | 1.9 – 2.3 g/cm³ |
| Melting Point | ~2973°C (sublimation) |
| Thermal Conductivity | 29 – 96 W/m·K |
| Thermal Expansion Coefficient | 0.54 – 18 ×10⁻⁶ /K |
| Specific Heat Capacity | 840 – 1610 J/kg·K |
| Young’s Modulus | 14 – 60 GPa |
| Electrical Resistivity | 10¹³ – 10¹⁵ Ω·m |
| Dielectric Strength | |
| Color | White to gray (depending on purity and additives) |
| Property | Details |
| Chemical Stability | Inert to most molten metals, acids, and alkalis at room temperature |
| Oxidation Resistance | Stable in inert/reducing atmospheres up to 2000°C; in oxidizing atmospheres, stable up to ~850°C |
| Moisture Resistance | Low moisture absorption; PBN exhibits excellent moisture resistance |
| Reactivity | Non-reactive with most chemicals; slight corrosion in molten salts and alkalis at high temperatures |
| Purity Levels | High purity (>99.5% for h-BN; up to 99.999% for PBN) |
| Category | Details |
| Crystal Structure | Hexagonal (h-BN), Pyrolytic (PBN), Cubic (c-BN) |
| Manufacturing Methods | Hot-pressed sintering, Chemical Vapor Deposition (CVD) for PBN |
| Common Shapes | Cylindrical, Conical, Rectangular, Custom designs |
| Surface Finish | Smooth, non-porous, suitable for high-purity applications |
| Customization | Available in various sizes and shapes as per specific requirements |
| Application Area | Description |
| Vacuum Evaporation Systems | Used in PVD, CVD, and MBE processes due to high thermal stability and chemical inertness |
| Crystal Growth | Suitable for growing semiconductor crystals like GaAs, InP, and Si due to non-reactivity and thermal stability |
| Metal Melting & Casting | Ideal for melting non-ferrous metals; prevents contamination and offers easy demolding |
| Dielectric Material Processing | Utilized in processing dielectric ceramics where electrical insulation and thermal resistance are required |
| High-Temperature Analysis | Employed in laboratories for thermal testing and material synthesis up to 2000°C |
| Semiconductor Manufacturing | Used in processes requiring high purity and chemical stability, such as wafer processing and thin-film deposition |
Related Products
Boron Nitride TubesUsed for insulation and gas flow at high temperatures.
Boron Nitride InsulatorHigh-purity insulator for extreme heat and voltage.
BN is not high in moisture absorption, but it is best to store crucibles in a dry state to ensure surface quality.
No, they are non-wettable and chemically inert, making them safe for use with aluminum, copper, and other active metals.
Yes, Boron nitride crucibles are stable in high-vacuum systems, making them perfect for PVD and CVD processes.
Yes, PBN (Pyrolytic Boron Nitride) offers higher purity and smoother finish, while hot-pressed BN is more affordable and widely used.
Yes, they are excellent electrical insulators, suitable for dielectric testing and high-voltage applications.
Avoid water and chemical solvents. Instead, gently polish with dry sandpaper to remove residues and store in a dry environment to prevent moisture absorption.
