Why choose Boron Nitride products?
Boron Nitride products exhibit a unique combination of chemical, electrical, mechanical and thermal properties, making it suitable for a wide range of high-performance industrial applications.
Some unique features that Boron Nitride product can bring are:
- Easily machinable to desired shapes and size.
- High temperature resistance.
- Low thermal expansion and excellent thermal shock resistance.
- Outstanding electrical insulation properties even at high temperatures.
- High wet resistance to molten metals, slags and glass.
- Transparent to Microwaves.
- High thermal conductivity.
Boron Nitride are used widely in industries such as steel and foundry industry, high-temperature furnace manufacturing, microelectronics, solar and photovoltaic industry, amorphous strip construction and semiconductor industry.
What are the engineering properties of your Boron Nitride products?
Below are material properties of different grades of Boron Nitride products that we carry.
Boron Nitride, BN-A
| Grade | BN-A | |
|---|---|---|
| Chemical Structure (BN%) | % | 99 |
| Other Components | no | |
| Density | g/cm3 | >2 |
| Hardness | HL | 300 |
| Flexural Strength | Mpa | 35 |
| Coefficient of Thermal Expansion (25°C ~ 1200°C) | (10-6/K) | -1~2.5 |
| Thermal Conductivity at 20°C | W/mk | 50 |
| MAX-Temperature of use | Oxidizing | 900°C |
| Vacuum | 1800°C | |
| Inert | 2200°C | |
| RT Resistivity | Ω.cm | >1014 |
Boron Nitride, BN-B
| Grade | BN-B | |
|---|---|---|
| Chemical Structure (BN%) | % | 99 |
| Other Components | no | |
| Density | g/cm3 | 2.15 |
| Hardness | HL | 450 |
| Flexural Strength | Mpa | 95 |
| Coefficient of Thermal Expansion (25°C ~ 1200°C) | (10-6/K) | 1~2 |
| Thermal Conductivity at 20°C | W/mk | 35 |
| MAX-Temperature of use | Oxidizing | 900°C |
| Vacuum | 1600°C | |
| Inert | 1800°C | |
| RT Resistivity | Ω.cm | >1014 |
Boron Nitride, BN-E/S
| Grade | BN-E | BN-S | ||
|---|---|---|---|---|
| Main Ingredients | BN+ZrO2+SiC | BN+Si3N4 | ||
| Density | g/cm3 | >2.3 | g/cm3 | >2.7 |
| Hardness | HL | 600 | HL | 650 |
| Flexural Strength | Mpa | 150 | Mpa | 300 |
| Coefficient of Thermal Expansion (25°C ~ 1200°C) | (10-6/K) | 2~3 | (10-6/K) | 2~3 |
| Thermal Conductivity at 20°C | W/mk | 15 | W/mk | 45 |
| MAX-Temperature of use | Oxidizing | 900°C | Oxidizing | 1700°C |
| Vacuum | 1800°C | Vacuum | ||
| Inert | 1700°C | Inert | ||
| RT Resistivity | Ω.cm | >1012 | Ω.cm | >1014 |
Boron Nitride, BN-AlN
| The Typical Characteristics | BN-AlN | |
|---|---|---|
| Main Ingredients | Boron Nitride + Aluminum Nitride | |
| Density | g/cm3 | 2.85 |
| Hardness | HL | 650 |
| Flexural Strength | Mpa | 250 |
| Coefficient of Thermal Expansion | (10-6/K) | 2.5~3 |
| Thermal Conductivity at 20°C | W/mk | 85 |
| MAX-Temperature of use | Oxidizing | 900°C |
| Vacuum | 1800°C | |
| Inert | 2200°C | |
| RT Resistivity | Ω.cm | >1013 |
What should I pay attention to when I use Boron Nitride products?
- Keep BN products in vacuum package before usage.
- After vacuum package is removed, store BN products in dry and cool environment. Keep container tightly closed while not in use.
- BN products are brittle. Please handle with care.
