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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.
Boron nitride crucibles offer superb electrical insulation, thermal conductivity, thermal shock resistance, and chemical stability, along with excellent moisture resistance to molten metal, slag, and glass. HM is a professional supplier and manufacturer of high-quality Boron Nitride (BN) Crucible, with customized options for shapes and dimensions to meet...
Boron Nitride Plate/Sheet is produced by high-temperature vacuum hot-pressing sintering of powdered hexagonal boron nitride. It is known for its excellent thermal conductivity, electrical insulation, and chemical stability. Heeger Materials provides high-quality Boron Nitride Plate/Sheets at a competitive price, with customized options to meet specific...
Boron Nitride Ring is a sophisticated synthetic ceramic material produced through the hot pressing of boron nitride powder under high temperatures and pressures. Heeger Materials offers premium Hot Pressed Boron Nitride (H-BN ceramic) at competitive prices, with customized options to meet specific requirements.
Boron nitride blanks are often the raw material for other machined parts. BN blanks are available from high-temperature-(1900C)-formed 99% pure composite boron nitride materials. Heeger Materials provides high-quality Boron Nitride blanks (BN blanks) at a competitive price, with customized options to meet specific requirements.
Boron Nitride, composed of boron and nitrogen, offers exceptional heat and chemical resistance, akin to graphite. Boron Nitride Rods feature excellent electrical insulation, chemical stability, and dielectric properties. Heeger Materials (HM) provides top-quality BN rods at competitive prices, with customized options to meet specific requirements.
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.
Boron Nitride Tube, BN Tube, is produced by high-temperature vacuum hot-pressing sintering of powdered hexagonal boron nitride. Heeger Materials provides high-quality Boron Nitride Tubes and other boron nitride products at competitive prices, with customized options to meet specific requirements.
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.
Boron Nitride Composite BN-AlN Ceramic, comprising Boron Nitride, Aluminum Nitride, and Boron Aluminum Oxide, offers high-temperature resistance up to 2000 ℃ in vacuum or under atmospheric protection, along with excellent heat shock resistance, preventing cracking. Heeger Materials offers Boron Nitride Composite Ceramic products at competitive prices,...
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.
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...
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.
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.
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) |
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 |