Boron Nitride Fiber

Boron nitride fiber stands out as a versatile and high performance material with unparalleled properties in the realm of advanced ceramics. Our company specializes in cutting-edge BN-based products, including BN ceramic fibers, flexible BN fiber paper, BN fiber cloth, BN fiber felt, and nitride ceramic organic precursors, desiged to meet the rigorous demands of aerospace, nuclear energy, 5G/6G communications, and next-generation industrial applications. This comprehensive guide explores the technical specifications, unique advantages, and transformative applications of our BN product line, positioning your projects at the forefront of innovation.

1.Boron Nitride Ceramic Fiber: The ultimate High-Temperature Solution

Key Properties

  • Exceptional Thermal Stability: Withstands temperatures up to 2,000℃ in inert atmospheres, making it ideal for extreme environments.
  • Superior Dielectric Performance:Low dielectric constant (≤4.5) and minimal dielectric loss (≤5×10-3), critical for high-frequency electronics.
  • Chemical&Ablation Resistance: Resists corrosion from acids, alkalis, and molten metals, while offering outstanding anti-ablation properties.
  • Neutron Absorption: Essential for nuclear shielding applications.

Applications

2.Flexible Boron Nitride Fiber Paper: Redefining Insulation & Thermal Management

Production Specifictions

PropertyThickness(mm)Tensile Strength(MPa)Surface Density(g/m2)Bend Radius (mm)Breakdown Strength(kV/mm)
BN Insulation Paper0.4~0.5≥15300~35075≥3.0
BN Release Paper0.35~0.4≥3140~16020≥3.0

Unique Advantages

  • High Dielectric Strength: Ensures reliable insulation in high-voltage environments.
  • Flexibility & Self-Lubrication: Conforms to complex geometries while reducing frication in molding processes.
  • Thermal Conductivity: Efficient heat dissipation for 5G/6G base stations, EV battery modules, and power electronics.

Applications

  • Electronics: Insulating substrates for high-power devices and printed circuit boards (PCBs).
  • Industrial Molding: Non-stick release paper for composite manufacturing.
  • Energy Systems: Thermal interface materials (TIMs) in nuclear reactors and high-speed rail systems.

3.Boron Nitride Fiber Cloth: Engineered for Extreme Conditions

Technical Parameters

Weave TypeThickness(μm)Surface Density(g/m2)Conductivity(S/cm)Dielectric ConstantDielectric Loss(tanδ）Max Temp(℃)
Plain Weave250~300200~25010-9~10-12≤4.5≤5×10-31,600
Twill Weave350~400180~22010-9~10-12≤4.5≤5×10-31,600
Double Weft400~500325~35010-9~10-12≤4.5≤5×10-31,600

Features

  • Mechanical Robustness: High tensile strength and flame retardancy for structural components.
  • Chemical Inertness: Resists oxidation and corrosive media.
  • Customizable Design: Tailored weaves and dimensions to meet specific engineering needs.

Applications

  • Aerospace: Fire-resistant blankets and thermal barriers for spacecraft.
  • Defense: Radar-transparent radomes and missile components.
  • Energy: Insulating liners for high-temperature reactors.

4.Boron Nitride Fiber Felt: lightweight Thermal Insulation

Specifications

  • Surface Density: 4,000±50g/m2
  • Thickness: 35±3mm
  • Thermal Conductivity: 0.068W/m.K @500℃
  • Max Operating Temp: 1,600℃ (inert atmosphere)
  • Moisture Content:≤1%

Advantages

  • Low Thermal Conductivity: Ideal for ultra-high-temperature insulation.
  • Wave Transparency: Suitable for electromagnetic window applications.
  • Ease of Machining: Can be cut or shaped without compromising integrity.

Applications

  • Industrial Furnaces: Energy-efficient insulation for metallurgical process.
  • Renewable Energy: Thermal management in concentrated solar power (CSP) systems.
  • Aerospace: Heat shields for re-entry vehicles.

5.Nitride Ceramic Organic Precursors: Precision at the Molecular level

Product Overview

  • Composition: B,N,C,H (customizable ratios).
  • Form: Liquid or Solid variants, soluble in toluene, xylene, and other organic solvents.
  • Ceramic Yield:≥50%(under nitrogen at 1,000℃）。
  • Density: 1.0~1.15g/cm3.

Applications

  • Ceramic Matrix Composites (CMCs): Enhances oxidation resistance and mechanical strength.
  • Functional Coatings: Anti-corrosion layers for turbines and industrial tools.
  • High-Purity Powders: Synthesis of ultra-fine BN particles for additive manufacturing.

Why Chooe our boron nitride products?

  • Industry-Leading Performance: Engineered to surpass ASTM and MIL-STD specifictions.
  • Custom Solutions: From R&D prototypes to mass production, we adapt to your needs.
  • Sustainability: Low-waste manufacturing aligned with green energy initiative.
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