Discover our primary lineup of continuous basalt filament, fabrics, structures, and non-wovens designed for high-stress aerospace, marine, and architectural reinforcements.
Strategically situated in the dynamic technological corridor of Jiujiang, Jiangxi Province, China Beihai has engineered a dominant global position in high-tech research, equipment design, and massive scale manufacturing of continuous basalt filament.
Our commitment transcends classical product supply; we innovate the raw engineering systems, including elite platinum-rhodium drawing bushings and advanced proprietary sizing chemistries. This ensures unmatched batch stability across industrial-grade basalt matrices worldwide.
Precision engineered continuous basalt fiber yarns, twisted rovings, needle-punched mats, corrosion-resistant rebar, high-temperature protective sleeves, and electromagnetic-transparent structural profiles.
We bridge the gap between volcanic raw basalt extraction and high-end industrial engineering. By applying precise thermodynamics, we provide the building blocks for infrastructure, energy, and aerospace composites.
Working with China Beihai connects you directly to the manufacturer. By removing middlemen, you gain customized sizing optimization, scalable industrial output, robust quality control, and competitive wholesale pricing.
In the modern materials paradigm, industrial designers are moving away from traditional synthetic fibers and energy-heavy metals. Continuous Basalt Fiber (CBF) is leading this transition, representing a major leap in sustainable engineering.
Derived directly from pure volcanic basalt rock via high-temperature extrusion, CBF requires no synthetic chemicals or polluting additives. The result is a clean, eco-friendly material featuring exceptional thermal thresholds, reliable acid/alkali resistance, and high tensile strength.
| Physical Property | Continuous Basalt Fiber (CBF) | E-Glass Fiber | Carbon Fiber (Standard) |
|---|---|---|---|
| Tensile Strength (MPa) | 3,000 - 4,800 | 2,400 - 3,400 | 3,500 - 6,000 |
| Elastic Modulus (GPa) | 85 - 110 | 72 - 76 | 230 - 290 |
| Service Temperature (°C) | -260 to +700°C | -60 to +450°C | Up to +1000°C (inert gas only) |
| Thermal Conductivity (W/m·K) | 0.031 - 0.038 (Highly Isolative) | 0.034 - 0.040 | 1.0 - 5.0 (Conductive) |
| Alkali & Acid Resistance | Exceptional (High resistance to cement pH) | Poor (Requires complex coatings) | Highly resistant |
| Primary Raw Material | 100% Volcanic Basalt Rock (Natural) | Silica/Boron/Alumina Compound | Polyacrylonitrile (PAN) Synthetic precursor |
Note: Data compiled by China Beihai Group R&D center under simulated ISO standard testing. Basalt continuous fibers exhibit a highly superior structural profile compared to E-glass, without the high costs associated with standard Carbon Fiber systems.
From volcanic quarrying to ultra-fine high-performance filament drawing: The lifecycle of China Beihai premium basalt fiber.
Not all basalt rocks are equal. We analyze volcanic geological deposits for optimal silica (SiO2), alumina (Al2O3), iron oxides (Fe2O3/FeO), and titanium dioxide content to ensure clean melt processing.
The selected raw stones undergo specialized gas-fired or electric-arc melting processes without chemical additions. This liquefies the volcanic structure into a highly homogeneous slurry.
The molten slag is drawn through high-precision, proprietary platinum-rhodium alloy multi-hole bushings. This forms continuous filaments down to single-digit micron diameters (typically 9µm to 22µm).
Advanced coupling agents (epoxy, vinyl ester, or phenolic compatible chemistry) are applied dynamically to shield the filament surfaces, enhancing composite adhesion and mechanical performance.
Basalt fiber is ideal for your engineering projects. Its high strength, corrosion resistance, and lightweight properties allow it to easily solve a variety of structural challenges.
Basalt-reinforced concrete offers high chemical and crack resistance, extending structural lifespan and lowering maintenance costs for bridges, roads, and tall structures.
Thanks to advanced surface treatments, basalt fibers are used to manufacture lightweight aircraft components, engine housings, and thermal insulation shields.
Our automotive composite trials support the production of lightweight body panels, brake pads, muffler insulation, and structural reinforcements that improve fuel economy.
With exceptional rust resistance and stability under harsh chemical exposure, basalt composites are ideal for offshore drilling platforms, subsea pipelines, and coastal structures.
Visualizing the applications of China Beihai basalt fibers across dynamic industry projects.
Optimized solutions for instant engineering deployment, backed by robust physical certifications.
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Mechanically bonded pure basalt filaments offering clean, binder-free thermal acoustic insulation up to 700°C.
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Engineered by dynamically twisting continuous basalt filaments, enhancing tensile stability and composite processability.
Read MoreEvery production run of continuous basalt fibers at China Beihai undergoes rigorous checks, maintaining compliance with global construction and environmental standards.
As high-tech systems monitor complex operations and robotics tackle challenging production environments, high-performance structural materials are essential. Continuous basalt fiber offers a strong, heat-resistant support matrix that helps modern industrial setups perform reliably under extreme stress conditions.
Read Full WhitepaperGet detailed answers on chemistry, temperature performance, sizing properties, and bulk logistics.
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