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Hexagonal Boron Nitride (HBN) with High Thermal Conductivity, Excellent Thermal Shock Resistance, and High Chemical Resistance

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Hexagonal Boron Nitride (HBN) with High Thermal Conductivity, Excellent Thermal Shock Resistance, and High Chemical Resistance

Hexagonal Boron Nitride (HBN) with High Thermal Conductivity, Excellent Thermal Shock Resistance, and High Chemical Resistance
Hexagonal Boron Nitride (HBN) with High Thermal Conductivity, Excellent Thermal Shock Resistance, and High Chemical Resistance Hexagonal Boron Nitride (HBN) with High Thermal Conductivity, Excellent Thermal Shock Resistance, and High Chemical Resistance Hexagonal Boron Nitride (HBN) with High Thermal Conductivity, Excellent Thermal Shock Resistance, and High Chemical Resistance Hexagonal Boron Nitride (HBN) with High Thermal Conductivity, Excellent Thermal Shock Resistance, and High Chemical Resistance

Large Image :  Hexagonal Boron Nitride (HBN) with High Thermal Conductivity, Excellent Thermal Shock Resistance, and High Chemical Resistance

Product Details:
Place of Origin: China
Brand Name: KEGU
Model Number: Customizable
Payment & Shipping Terms:
Price: 200-500 yuan/kg
Packaging Details: Strong wooden box for Global shipping
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 2,000 pcs/month
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Hexagonal Boron Nitride (HBN) with High Thermal Conductivity, Excellent Thermal Shock Resistance, and High Chemical Resistance

Description
Max Operating Temperature: 1000°C Thermal Shock Resistance: Excellent
Shape: Irregular Hardness: 9 Mohs
Applications: High Temperature And High Voltage Insulation, Semiconductor Processing, Aerospace Components Attribute: Pyrolytic Boron Nitride Crucible
Color: White Density: 2.1 G/cm3
Coefficient Of Thermal Expansion: 1.1 X 10^-6/°C Type: Customization
Working Temperature: About 2200 Celsius Degree Corrosion Resistance: Excellent
Feature: Ceramic Crucible Material: Boron Nitride
Chemical Resistance: High
Highlight:

White Hexagonal Boron Nitride

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Hexagonal Boron Nitride White Graphite

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Hbn White Graphite

White HBN: Hexagonal Boron Nitride | High Thermal Conductivity
Product Overview: Hexagonal Boron Nitride (HBN)
Hexagonal Boron Nitride (HBN), often termed White Graphite, is an advanced ceramic material composed of boron and nitrogen atoms. With a chemical composition of 43.6% boron and 56.4% nitrogen, it exists in several crystalline forms, including hexagonal (HBN), rhombohedral (RBN), cubic (CBN), and wurtzite (WBN) boron nitride.
HBN is synthesized by melting B₂O₃ with NH₄Cl or through boron combustion in NH₃. Its graphite-like structure delivers exceptional thermal conductivity, electrical insulation, and chemical resistance—making it ideal for high-temperature and demanding industrial applications.
Key Technical Parameters
Product Category Mean Particle Size (nm) Specific Surface Area (m²/g) Bulk Density (g/cm³) Crystal Structure Color
Nano Grade 50 43.6 0.11 Hexagonal White
Sub-Micron Grade 600 9.16 2.30 Hexagonal White
Material Properties & Advantages
  • High Thermal Conductivity: Efficient heat dissipation even at elevated temperatures.
  • Excellent Electrical Insulation: Volume resistivity >10¹⁵ Ω*cm.
  • Outstanding Thermal Stability: Service temperatures up to 900°C in oxidizing atmospheres and 2800°C in inert/reducing environments.
  • Low Thermal Expansion: CTE (c-axis): 41*10⁻⁶/°C; (d-axis): -2.3*10⁻⁶/°C.
  • Superior Mechanical Properties: Compressive strength of 170 MPa.
  • Chemical Inertness: Resistant to inorganic acids, water, and molten metals.
  • Good Lubricity: Low coefficient of friction, especially at high temperatures; often blended with graphite fluoride or MoS₂ for enhanced performance.
Applications of Hexagonal Boron Nitride
  • High-Temperature Lubricants: Dispersions in oil or water for wire drawing, pressing, and sliding parts in high-temperature furnaces.
  • Self-Lubricating Components: Bearings and seals in sintered form.
  • Thermal Management Materials: Ideal for heat sinks, insulators, and substrates.
  • Protective Coatings: Used in metallurgy, electronics, and aerospace for its non-wetting and release properties.
  • Tooling & Abrasives: When converted to cubic boron nitride (CBN), it serves as a superhard material for cutting and grinding.
Product Grades & Specifications
Item / Grade BNH BNC BNP
BN Purity >99.5% Composite >96%
Density (g/cm³) 1.9 ± 0.5 2.95 2.0
Max Operating Temp (°C) 850 (air)
2200 (inert)		 1000
2000		 850
1150-1800
Hardness (Mohs) 4 105 16
Flexural Strength (psi) 3000 21000 9800
Thermal Conductivity (W/m*K) 63 38 55
CTE (*10⁻⁶/K, RT-1500°C) 0.6 3.5 4.0
Volume Resistivity (Ω*cm) >10¹⁵ - >10¹⁵
Typical Impurities (%)
  • Oxygen: <0.4 (BNH), <14 (BNC), <2.0 (BNP)
  • Carbon: 0.02 (BNH), 2.0 (BNC), 0.02 (BNP)
  • Calcium: 0.04 (BNH), 0.02 (BNC), 2 (BNP)
  • B₂O₃: 0.2 (BNH), 1.0 (BNC), 0.4 (BNP)
  • Zirconium (Zr): -, 30 (BNC), -
  • Silicon (Si): -, 4.5 (BNC), -
Manufacturing & Processing
HBN is typically produced in a graphite-like structure. Under high temperature (1800°C) and high pressure (8000 MPa), it transforms into cubic boron nitride (CBN)—an ultra-hard material suited for abrasive tools, cutting instruments, and drill bits.
Why Choose Our Hexagonal Boron Nitride?
We supply high-purity HBN in nano and sub-micron grades, optimized for superior thermal management, electrical insulation, and lubrication across industries. Whether for R&D or industrial production, our HBN ensures reliability and performance under extreme conditions.
Hexagonal Boron Nitride (HBN) with High Thermal Conductivity, Excellent Thermal Shock Resistance, and High Chemical Resistance 0 Hexagonal Boron Nitride (HBN) with High Thermal Conductivity, Excellent Thermal Shock Resistance, and High Chemical Resistance 1

Tag:

BN Ceramic,

Hexagonal Boron Nitride,

Boron Nitride Ceramic

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Tel: 8615517781293

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