CG MATERIAL
Boron Nitride Nozzle, BN Nozzle
Boron Nitride Nozzle, BN Nozzle
Boron nitride nozzle is a type of ceramic nozzle made from boron nitride (BN), a high-performance material with excellent thermal and chemical properties. Boron nitride nozzles are often used in applications where high temperature and corrosive environments are involved.
Boron nitride is a chemical compound that is made up of equal parts of boron and nitrogen atoms. It has a unique crystal structure that makes it an excellent thermal conductor, but also provides it with high electrical resistance and chemical stability. As a result, boron nitride is often used in high-temperature applications, such as furnace linings, thermal insulation, and protective coatings.
Boron nitride nozzles are commonly used in applications such as metal casting and powder metallurgy. They are able to withstand high temperatures and are resistant to chemical attack, making them ideal for use in harsh environments. In addition, boron nitride nozzles have excellent thermal shock resistance, which allows them to withstand rapid temperature changes without cracking or deforming.
Boron nitride nozzles are available in various shapes and sizes to fit different applications. They can be used for precision dispensing of liquids, as well as for shaping and directing streams of molten metal or abrasive powders. Their high thermal conductivity and resistance to thermal shock make them ideal for use in applications that involve rapid heating and cooling cycles.
Boron Nitride Ceramics Specification
CG Material production formulations are developed to address the varied application problems in which ceramic components are commonly used. Many industrial applications push the envelope on specific requirements leading to the development of new formulations to successfully address them.
| Item No. | Description | Purity | Lot Size |
| CG-NI05-98 | Boron Nitride Powder Particle Size: 3 µm, 200 mesh or 325mesh |
BN > 98 %， B2O3 < 0.6%, Ca < 0.015%, Si < 0.12% |
100 kg 1000kg Customize |
| CG-NI05-99 | Boron Nitride Powder Particle Size: 3 µm, 200 mesh or 325mesh |
BN > 99 %， B2O3 < 0.4%, Ca < 0.01%, Si < 0.10% |
100 kg 1000kg Customize |
Comparison of Boron Nitride Ceramics
| Grade | BN-BO | BN-SZ | BN-AlN |
| Compositions | BN>98% | BN+SiC+ZrO2 | BN+AIN |
| Binder | B2O3 | / | AlBO3 |
| Density | 2.1-2.2 g/cm3 | 2.3-3.0 g/cm3 | 2.5-2.6 g/cm3 |
| 25°C Volume Resistivity | >1013 Ω·cm | >1012 Ω·cm | >1014 Ω·cm |
| Max. Service Temp. (°C) Oxygen; Inert Gas; High Vacuum |
900 2000 1800 |
900 1700 1700 |
900 2100 1900 |
| Flexural Strength | 75 Mpa | 100 Mpa | 130 Mpa |
| Compressive Strength | 100 Mpa | 300 Mpa | 250 Mpa |
| Coefficient of Thermal Expansion 25-1000°C |
2.0 x 10–6/K | 4.0 x 10–6/K | 4.5 x 10–6/K |
| Thermal Conductivity | 30 W/mK | 40 W/mK | 60 W/mK |
Boron Nitride Nozzle Specifications
| Material | Description | Availability |
| BN99 | Hot pressed at high temperature (1900℃). Excellent corrosion resistance and thermal conductivity. Limited wear resistance Self-bonded and high purity (>99%) |
Machinable Blanks Finished Parts |
| ZSBN | BN-45%, Zr2O3 45% | Finished Parts |
Boron Nitride Nozzle Applications
-Electric insulators in vacuum system
-Boron Nitride components for PVD, MOCVD, MBE system.
-Nozzles for nonferrous metals metallurgy industry
-Spacers for glass melting
-Insulators for high temperature furnace
Packaging
We handle our products with care to ensure they remain in their original condition during storage and transportation and to preserve their quality.
