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Hexagonal Boron Nitride (HBN) Product

Hexagonal Boron Nitride (HBN) Product

The hexagonal boron nitride is a white crystal, with a melting point of nearly 3000 ℃, high-temperature resistance, extremely stable chemical performance, strong acid corrosion resistance, and a very high electric insulation performance.

Hexagonal Boron Nitride (HBN) Product There are 15 products.

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    Boron Nitride (BN) Crucibles are available from Heeger Materials for projects requiring a BN ceramic crucible. Share your drawing or required dimensions and quantity to request a quotation.

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    Boron Nitride (BN) Plates and Sheets are available from Heeger Materials for projects requiring a BN ceramic plate or sheet. Share your drawing or required dimensions and quantity to request a quotation.

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    Boron Nitride (BN) Rings are available from Heeger Materials for projects requiring a BN ceramic component. Share your drawing or required dimensions and quantity to request a quotation.

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    Boron nitride blanks are often used as raw material for other machined parts and may be used as an insulator in some electronic or vacuum equipment with simple machining. Send drawings, dimensions, quantity and working environment for quotation review.

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    Boron Nitride (BN) Rods are available from Heeger Materials for projects requiring a BN ceramic rod. Share your drawing or required dimensions and quantity to request a quotation.

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    Boron Nitride (BN) Nozzles are high-performance industrial ceramic nozzles, widely used in various extreme environments due to their exceptional physical and chemical properties. Heeger Materials supplies high-quality Boron Nitride Nozzle (BN Nozzle) at a competitive price, with customized options to meet specific requirements.

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    Boron Nitride (BN) Tubes are available from Heeger Materials for projects requiring a BN ceramic tube. Share your drawing or required dimensions and quantity to request a quotation.

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    Boron Nitride (BN) Gasket is a high-performance sealing element made from boron nitride (BN), with excellent thermal and electrical insulation properties. Heeger Materials provides high-quality hexagonal boron nitride ceramic gaskets, washers, and seals (BN ceramic) at a competitive price, with customized options to meet specific requirements. 

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    Aluminum Nitride Boron Nitride ALBN Ceramic, BN-AlN with configurable specification, quantity, documentation and protected packing options.

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    Boron Nitride + Boric Oxide (BN+B2O3) Ceramic, also known as BN-BO, is crafted from BN and B2O3, representing the industry's primary option for high-temperature insulation. Heeger Materials offers high-quality Boron Nitride Ceramic (BN-BO) at competitive prices, featuring high purity and precise dimensional tolerance.

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    ZSBN Boron Nitride composite ceramic is commonly used as a separate ring for horizontal continuous casting and a nozzle made from an amorphous ribbon. Heeger Materials offers top-quality ZSBN Boron Nitride ceramic in various shapes such as rods, tubes, rings, discs, plates, nozzles, crucibles, or custom parts at competitive prices. Customization options...

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    Boron nitride powder, with the formula BN, can withstand high temperatures in a high vacuum environment. Additionally, it boasts excellent corrosion resistance and electrical insulation. Heeger Materials provides top-quality Boron Nitride Powder at a competitive price, with customized options for purity and particle size to meet specific requirements.

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Showing 1 - 12 of 15 items

Hexagonal boron nitride (h-BN) is mainly used in refractory materials, semiconductor solid-phase doped sources, structural materials of atomic piles, packaging materials against neutron radiation, rocket engine composition, high-temperature lubricants, and mold agents. Fibers processed with boron nitride can be used as inorganic synthetic engineering materials, widely used in aerospace and defense industries. Cube boron nitride can also be used as a deep well drill bit and high-speed cutting tool.

Hot-pressed Boron Nitride Typical Physical Properties

Physical Properties

HBN

HBR

HBC

HBT

B+N, %

>95

>94

>99

>99

Binder

Boric Oxide

Calcium Borate

None

None

Binder Melting Point, ℃

550

1150

--

--

Maximum Recommended Operating Temperature

Oxidizing Atmosphere, ℃

Inert/Vacuum Atmosphere, ℃

 

550-850

550-1600

 

850

1150-1600

 

850

2000-3000

 

850

2000-3000

Density, g/cm3

Minimum

Typical

 

2.00

2.10

 

1.90

2.00

 

1.90

1.95

 

1.70

1.75

Porosity, %

7

11

13

22

Hardness, Knoops (KHN, 100g)

19

20

16

11

Specific Heat, J/kg-K (Cal/g℃)

@25℃

@700℃

 

808(.193)

1846(.441)

 

808(.193)

1846(.441)

 

808(.193)

1846(.441)

 

808(.193)

1846(.441)

Pressing Direction

  ‖      ⊥

‖        ⊥

‖        ⊥

‖        ⊥

Thermal Conductivity, W/m·K

@25 ℃

@500 ℃

 

59     33

33     25

 

55     33

33     25

 

28     33

30     24

 

22     19

21     17

Coefficient of Thermal Expansion, ppm/℃

25 ℃ to 1500 ℃

 

4     6

 

3     4

 

0.4     0.8

 

0.1     0.3

Flexural Strength, MPa (psi×102)

@25 ℃

 

@1500 ℃

 

 

89.6    75.8

(13)     (11)

26.8     20.6

(3.9)     (3)

 

51.7     41.3

(7.5)     (6)

21.3     18.6

(3.1)     (2.7)

 

20.6     17.2

(3)       (2.5)

48.2     27.5

(7)       (4)

 

19.3     17.2

(2.8)     (2.5)

24.1     18.6

(3.5)     (2.7)

Modulus of Elasticity, GPa (psi×106)

77.9    62.7

(11.3)  (9.1)

62.0     48.2

(9)        (7)

48.2     20.6

(7)        (3)

41.3      20.6

(6)        (3)

Compressive Strength, MPa (psi×102)

110.3  124.1

(16)     (18)

68.9    62.0

(10)     (9)

41.3    51.7

(6)      (7.5)

33.1      38.6

(4.8)     (5.6)

Hot-pressed Boron Nitride Electrical Properties

Electrical Properties

HBN

HBR

HBC

HBT

Dielectric Strength, V/mm×102

53

53

54

34

Dielectric Constant

@1GHz

@9.3GHz

@1MHz

 

4.3

4.4

4.2

 

4.2

4.3

4.1

 

4.1

4.3

4.1

 

3.9

3.9

3.8

Loss Tangent

@1GHz

@9.3GHz

@1MHz

 

.0003

.0002

<.0002

 

.0003

.0002

<.0002

 

.0004

<.0002

<.0002

 

.0003

<.0002

<.0002

Volume Resistivity, ohm-cm

@25 ℃

@700 ℃

 

>1015

108

 

>1015

108

 

>1015

1010

 

>1015

1010