Boron Nitride Crucible
The boron nitride crucible is made of boron nitride powder after hot pressing and sintering into product blocks, and processed according to the size and specifications required by customers.
Description
Boron nitride crucible is made from boron nitride sintering block.

Boron nitride is extremely resistant to high temperatures. It can withstand 1800℃ in a vacuum environment and up to 2000℃ under the protection of inert gases. It also has excellent thermal shock resistance and does not crack when heated up rapidly. Not only that, after 2 hours of insulation at 1000℃, it will not crack after repeated cooling and heating for hundreds of times.
(Boron nitride ceramics in processing)
Boron nitride ceramics have strong chemical stability and do not react or bond with metal materials, such as ferrous metal, iron, copper, stainless steel, aluminum, glass melt, silicon molten salt, etc. The boron nitride crucible made of boron nitride is even more suitable than the traditional graphite crucible for its high temperature sintering melting container.


(Pure BN crucible and composite BN crucible)
Usage note:
Boron nitride is used in air at temperatures up to 1000℃ above which oxidative decomposition may occur.
Boron nitride is easy to absorb moisture, boron nitride crucible can not be stored in a humid place, should be placed in a dry and ventilated place sealed preservation.
Boron nitride crucible can not be washed with water, can be sandpaper wipe.
Our company provides boron nitride crucible custom service, in strict accordance with customer specifications and sizes for production, welcome to consult with drawings.
SPECIFICATIONS:
Grade | (A)Technical data | |
BN content | % | 99 |
Density | g/cm3 | >2 |
Hardness | HL | 300 |
Flexural Strength | Mpa | 35 |
Coefficient of thermal expansion | (10-6/K) | -1~2.5 |
Thermal conductivity at 20℃ | W/mk | 50 |
MAX-Temperature of use | Oxidizing | 900℃ |
Vacuum | 1800℃ | |
Inert | 2200℃ | |
Room temperature resistivity | Ω.cm | >1014 |
WAY OF PACKING:
Foam packed separately to prevent damage. Then sealed bag sealed packaging to prevent oxidation.

DELIVERY TIME
Since boron nitride ceramics are customized products, the processing time is affected by the quantity and difficulty, and the specific time needs to be confirmed with us.
































