Description

Boron Fibers are high-performance, continuous filaments composed of elemental boron, typically deposited on a tungsten or carbon substrate, known for their exceptional stiffness-to-weight ratio and high tensile strength. This advanced material is critical for applications demanding superior structural reinforcement and thermal stability under extreme conditions. Key industries that rely on boron fibers include aerospace, defense, and high-end sporting goods, where they are used to manufacture lightweight, stiff, and durable composite components.

Application

• Aerospace Structural Components: Reinforcement for aircraft fuselages, wings, and engine parts where high stiffness and low weight are paramount.
• Military & Defense Armor: Used in lightweight, high-strength armor plating and ballistic protection systems for vehicles and personnel.
• Sporting Goods: High-performance reinforcement in golf club shafts, bicycle frames, and fishing rods to enhance stiffness and durability.
• Space & Satellite Structures: Critical material for truss structures, antenna booms, and other components requiring dimensional stability in space environments.
• Automotive Racing: Incorporation into specialized composite parts for Formula 1 and other racing vehicles to reduce weight while maintaining structural integrity.
• Acoustic Diaphragms: Used in high-fidelity speaker drivers for their excellent stiffness and internal damping properties.
• Research & Development: Serves as a model reinforcement material in academic and industrial labs for developing next-generation composites.

Basic Information

Product Name	Boron Fibers
CAS No.	308076-60-0
Molecular Formula	B (Elemental Boron)
Molecular Weight	10.81 g/mol
Synonyms	Boron Filament; Boron Reinforcing Fiber; Boron CVD Fiber; Boron-Tungsten Fiber; Boron on Tungsten Substrate; Boron on Carbon Substrate; High-Modulus Boron Fiber; Borofil® (Trade Name)
EINECS	Contact for details

Quality Control

Our Boron Fibers are manufactured under stringent process controls to ensure consistent diameter, surface quality, and mechanical properties. Each batch is characterized for key parameters including tensile strength, modulus, and density. We provide full traceability and Certificates of Analysis (COA) are available upon request, detailing the specific lot specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). The fibers should be handled with care to prevent mechanical damage or contamination. Keep away from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Continuous Filament, Metallic Gray
Fiber Diameter	100 µm, 140 µm, or Custom
Core Material	Tungsten (Standard) or Carbon
Tensile Strength	> 3.5 GPa
Elastic Modulus	> 400 GPa
Density	~2.5 - 2.6 g/cm³
Surface Finish	Clean, Sizing Optional

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.