Explore our foundational range of high-tensile, fire-resistant, and structural enhancement basalt materials tailored for global industrial requirements.
China Beihai, founded in 2015 and located in the industrial heartland of Jiujiang, Jiangxi Province, is a nationally recognized high-tech enterprise. We focus exclusively on the intensive research, development, production, and worldwide sales of premium-grade high-performance continuous basalt fibers.
Our capabilities span across both the chemical formulation of sizing agents and the custom mechanical design of basalt manufacturing equipment. Today, China Beihai stands as the premier industrial hub of the domestic basalt fiber industry, scaling volcanic rock transformations into highly protective textiles and reinforcing composites for global clients.
Learn More About UsWe formulate and manufacture a vast catalog of rock-derived materials: Basalt Fiber Mats (chopped strand mats, structural fabrics, surface tissues), Basalt Continuous Roving, Fireproof Twisted Yarns, Chop Strands for Friction Materials, and composite solutions including Basalt Fiber Rebar, protective sleeves, and industrial tapes.
Our dedication rests on engineered reliability. Utilizing ultra-consistent volcanic basalt raw material, we supply custom sizing treatments and specific tex parameters to resolve cracking, high-thermal, and corrosive vulnerabilities in construction, aerospace, wind energy, and automotive engineering.
By executing direct volcanic melt processing at our state-of-the-art facility, we eliminate middle-tier manufacturing margins. Our rigorous compliance audits, tailored thermal parameters, and vertically-integrated supply chains guarantee structural and environmental peace of mind on every order.
Our commitment to rigorous testing and scaled output ensures high-level industrial integration.
Deep-dive research into chemical composition, thermodynamic behavior, and manufacturing engineering.
Continuous basalt fiber yarn is generated by melting high-purity volcanic basalt rock at temperatures ranging from 1450°C to 1500°C in specialized platinum-rhodium alloy bushing plates. Unlike glass fiber (E-Glass), which relies on composite synthetic chemicals, basalt fiber is naturally chemical-free, retaining its single-ingredient mineral stability. The molecular network of basalt fiber consists primarily of silicon dioxide (SiO2) and aluminum oxide (Al2O3), interspersed with iron oxide (Fe2O3 and FeO), calcium oxide (CaO), and magnesium oxide (MgO). The iron ions are critical; they act as a natural structural buffer that blocks radioactive and high-frequency microwave emissions while providing natural resistance against UV damage.
During drawing and crystallization processes, these minerals align to form dense silicate structural chains, preventing continuous micro-crack formations. Standard glass fibers begin to lose structure and undergo mechanical failure around 250°C, while basalt fiber maintains its mechanical stability up to 700°C, withstanding short bursts of heat up to 1000°C.
| Physical Parameter | Basalt Continuous Fiber | E-Glass Fiber | Carbon Fiber (Standard) |
|---|---|---|---|
| Operating Temperature (°C) | -260 to +700 | -60 to +250 | -50 to +300 (non-inert environment) |
| Tensile Strength (MPa) | 3000 - 4800 | 2000 - 3500 | 3500 - 6000 |
| Elastic Modulus (GPa) | 85 - 110 | 72 - 76 | 230 - 240 |
| Thermal Conductivity (W/m·K) | 0.031 - 0.038 | 0.034 - 0.040 | 8.0 - 150.0 |
| Chemical & Acid Resistance | High (Alkali-resistant) | Moderate | Excellent |
The roadmap for fireproof basalt fiber focuses on next-generation sizing agents. Sizing agents (surface coatings applied directly to filaments during extrusion) determine how well the fiber bonds with structural resins (such as epoxy, vinyl ester, or phenolic resins). China Beihai’s R&D department has designed a proprietary silane sizing agent with high thermal stability that prevents chemical peeling at temperatures exceeding 400°C.
Future engineering phases will integrate nanoscale carbon nanotubes directly into the basalt structure, creating smart thermal-sensing yarns. These yarns will not only reinforce structures but also monitor heat levels and structural strain in real-time, benefiting aerospace and oil pipelines.
How fire-resistant basalt continuous fibers are transforming critical industrial ecosystems worldwide.
Used to construct high-temperature firewall components, structural cabin insulation, and interior panel reinforcements. Because basalt is non-combustible, it prevents toxic smoke and gas emissions during fires, ensuring passenger safety.
Replacing toxic glass mats and asbestos in exhaust mufflers, thermal shields, and high-wear friction brake pads. Our custom chopped basalt fiber strands withstand constant friction and heat spikes up to 800°C without mechanical failure.
Refineries require durable materials to prevent industrial chemical leaks. Basalt continuous yarn is wound around high-pressure pipelines and storage tanks to protect them from acidic fluids, salt water, and flame exposure.
Traditional steel concrete reinforcement is vulnerable to corrosion from winter road salt. Basalt fiber rebar is rustproof and lightweight, extending the lifespan of bridges, roads, coastal barriers, and docks while reducing maintenance costs.
Based in Jiujiang, Jiangxi Province, China Beihai operates a highly automated smart factory. We utilize automated control systems for raw material sorting, high-temperature melting, filament extrusion, and precision winding. This ensures consistent quality across large production volumes, eliminating human error.
Our direct access to rich volcanic raw materials, combined with efficient electricity and transport networks, allows us to offer cost-competitive high-temperature insulation solutions without sacrificing quality. Partnering with us protects your project from global raw material shortages and volatile prices.
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How we address procurement, quality control, and international logistics challenges.
Global procurement teams from Europe, North America, and Southeast Asia face complex logistics, shifting safety standards, and demanding project timelines. China Beihai simplifies this process through transparent operations and customized services:
Our commitment to rigorous international standards ensures seamless integration into major global markets.
To support your local regulatory compliance, China Beihai maintains a comprehensive suite of international certifications. Our basalt continuous yarns, meshes, and composite rebars are certified non-toxic, eco-friendly, and free from volatile organic compounds (VOCs). This ensures hassle-free customs clearance and smooth compliance audits in strict regions, including the European Union and North America.
Real-world examples demonstrating how China Beihai materials solve high-stress structural problems.
Coastal bridge piers suffer from salt spray corrosion and vessel impact risks. Our custom high-tensile basalt rebar and reinforcing mesh protect structural bridge concrete, preventing corrosion and extending structural lifespans by up to 50 years.
A leading European automotive supplier replaced traditional glass fibers with our mechanically bonded, chemical-free basalt needle mats. This improved acoustic dampening and ensured thermal stability during high-speed exhaust cycles up to 750°C.
Working with aerospace engineers, we developed custom high-strength basalt woven fabrics for engine shielding. The material prevents heat transfer and maintains structural integrity during extreme thermal loads, ensuring flight safety.
Stay informed about breakthroughs in continuous basalt fiber manufacturing.
From drones monitoring wildfires to industrial robots on automated assembly lines, high-performance smart equipment requires advanced materials to perform under pressure. Lightweight basalt fiber composites are emerging as the preferred choice for drone frames, protective casings, and high-temperature robotic components.
China Beihai is proud to supply the high-strength, lightweight, and heat-resistant basalt fibers that make this smart technology possible, enabling safe, reliable operations in extreme environments worldwide.
Read Complete PostAnswers to common technical, design, and sourcing questions about fire-resistant basalt fiber.
Explore our specialized range of continuous yarns, composite rebars, and chopped strands for challenging environments.
Beihai Fiberglass
