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QS Advanced Materials Inc
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  5. Boron Nitride Crucible

Boron Nitride Crucible

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HBN is produced by sinter the boron nitride powder/flake together into a solid material. The maximum size of material is limited by the power and dimensions of the hot pressing equipment. Since hexagonal boron nitride is a quite soft ceramic, it is machinable. Hot pressed boron nitride we supplied could be machined into all kinds of customized shapes, as long as the design is smaller than the raw material block. As the price for raw material (BN solid) is rather high(>$20/inch3), price for simple shape products, e.g. crucibles, can be frequently estimated based on the quantity of BN solid it consumed.



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  • Full Name: Pure hot pressed hexagonal boron nitride crucibles
  • Purity: 99.5% (BN99)
  • Additive: None
  • Ref. Price: $395.50/set (2"OD x 3"H BN99)

QS Advanced Materials supplies custom made boron nitride crucibles and other machined products in about 2 weeks with $200 MOQ. We are proudly to claim that QSAM has the capability to supply BN blanks larger than 12" x 12". The maximum size of solid material we could sell is 16" x16" x 8". Regular BN crucible set has a crucible body and a staged boron nitride lid (lid with holes on it to balance pressure is available). Other forms could be available with drawings. Please click inquiry to upload your drawing and request a quote!

Check the boron nitride specifications for our pure BN99 and zirconia composite material ZCBN

Please noitce BN cannot survive very high temperature in vacuum, as it decompose after 1900C.

Maximum size for our boron nitride crucible

Due to the limit of hot pressed boron nitride raw material, please notice our boron nitride crucibles has limits on dimensions.

  • Crucible Height: <16"
  • Outer Diameter: <16"
  • Crucible Wall thickness: >2mm

For a quick estimation of price of your custom designed crucible and other simple boron nitride shapes, pleas use the equations below
Rectangular shape:

Price = Unit price x max.L. x max.W. x max.H.

Cylinder shape:
Price = Unit price x (max.OD.)2 x max.H.

*Current reference unit price for BN99 grade pure boron nitride: $34.40/inch3 ($2.10/cc)