High mechanical strength geogrid mesh engineered specifically for high-capacity asphalt and soil layer stabilization in civil and road infrastructures.
Learn More
Designed for premium high-temperature protection. Perfect for industrial cable routing, high-heat insulation pipelines, and engine compartment shields.
Learn More
Biaxial structural fabrics optimized for structural composite reinforcements, providing multi-axial stress distribution for architectural frames.
Learn More
Advanced non-corrosive composite basalt rebars that deliver twice the tensile strength of steel for heavy-duty marine and highway bridge supports.
Learn More
Engineered for extreme thermal protection. High structural flexibility to wrap electrical systems and sensitive industrial wiring channels.
Learn More
Premium Grade Continuous Basalt Fiber Roving designed specifically for filament winding, pultrusion profiles, and weaving reinforcement fabrics.
Learn More
Optimized for structures exposed to extreme heat and thermal fluctuations, preventing heat transfers and concrete fracturing.
Learn More
Advanced exhaust heat wraps and industrial heavy cable protectors offering immense chemical stability and thermal fatigue resistance.
Learn MoreModern civil engineering faces an unprecedented challenge: the premature deterioration of concrete infrastructure. Annually, billions of dollars are allocated globally to repair structural elements weakened by the corrosion of internal steel reinforcement. From coastal highways exposed to marine salt-spray to municipal water processing tanks degraded by aggressive industrial chemicals, traditional reinforcing options are failing to sustain structural integrity over their intended lifetimes.
As a response to this material crisis, Continuous Basalt Fiber (CBF) has emerged as the definitive material of choice for high-durability architectures. Extruded through the direct melting of single-component volcanic basalt stone at extremely high temperatures (exceeding 1450°C), basalt fiber offers an unparalleled blend of mechanical, thermal, and chemical attributes. This technical whitepaper outlines why leading design institutes, state departments, and multinational engineering contractors are increasingly transitioning their material matrices to basalt fiber composites.
China Beihai was founded in 2015 and is headquartered in the strategic industrial hub of Jiujiang, Jiangxi Province. As a pioneering high-tech enterprise, China Beihai focuses on the rigorous research, development, state-of-the-art production, and international sales of high-performance continuous basalt fiber and its proprietary production equipment. Today, China Beihai stands as the premier standard-bearer and domestic leader in the Chinese basalt fiber industry.
By vertically integrating basalt stone sourcing, dynamic green furnace smelting, advanced proprietary sizing technology, and secondary conversion processing, we ensure our global clients benefit from consistent chemical integrity, ultimate tensile capability, and extremely low structural variances.
At China Beihai group, we specialize in the custom manufacturing of a comprehensive suite of products, including high-density basalt fiber mats (chopped strand mats, woven cloths, tissue mats), basalt fiber roving, high-performance basalt fiber yarns, chopped basalt strands, along with structural reinforcement systems (basalt rebar, geogrids, chemical-resistant sleeves, and structural heat protection tapes). Our materials are fine-tuned to satisfy international architectural and aerospace demands.
We solve extreme engineering challenges. By converting single-source volcanic rock into structural fibers, we provide non-corrosive, highly insulated, and lightweight solutions for bridge decks, underground foundations, MRI facilities, and road bed networks. We assist municipal engineering firms, construction supply chains, and high-performance industrial fabricators in improving infrastructure lifespans while reducing ecological impact.
Choosing China Beihai means securing an uninterrupted, highly certified supply chain. Our state-of-the-art factories boast ISO certifications, utilizing specialized furnace designs to ensure extreme thermal efficiency. Our structural basalt products provide long-term reliability and chemical stability. When you collaborate with China Beihai, you align with a forward-thinking, globally recognized manufacturing partner.
Continuous Basalt Fiber (CBF) is categorized as a high-performance inorganic mineral fiber. The chemical composition is derived entirely from the natural, mineral-rich volcanic basalt. Structurally, it consists mainly of oxides of silicon (SiO₂), aluminum (Al₂O₃), iron (Fe₂O₃ and FeO), calcium (CaO), and magnesium (MgO). The unique presence of iron oxide imparts not only its distinct dark amber color but also a remarkable resistance to UV radiation, alkaline attacks, and aggressive chemical environments.
| Property Parameter | Continuous Basalt Fiber (Beihai Grade) | Structural Carbon Fiber (PAN-based) | E-Glass Fiber | Structural Carbon Steel (A36 Grade) |
|---|---|---|---|---|
| Tensile Strength (MPa) | 3,000 - 4,800 | 3,500 - 6,000 | 1,500 - 2,500 | 400 - 550 |
| Elastic Modulus (GPa) | 85 - 110 | 230 - 600 | 72 - 80 | 200 |
| Density (g/cm³) | 2.63 - 2.80 | 1.75 - 1.80 | 2.54 - 2.60 | 7.85 |
| Thermal Range (°C) | -260 to +650 | -50 to +2000 (inert gas) | -60 to +300 | -40 to +450 |
| Alkali Resistance | Excellent (Advanced sizing) | Excellent | Poor / Degrades rapidly | N/A (Rusts rapidly) |
| Electric Conductivity | Non-conductive (Insulative) | Conductive | Non-conductive | High Conductivity |
Unlike E-glass, which suffers catastrophic degradation in highly alkaline solutions (such as the pore fluid inside fresh concrete, which has a pH of around 12.5 to 13.5), China Beihai’s alkali-resistant basalt fibers are coated with specialized silane coupling agents. This treatment acts as a protective barrier, preventing alkali ions from fracturing the siloxane (Si-O-Si) network of the glass-like fibers, thereby ensuring that the tensile strength is fully preserved over decades of service.
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, thermal, and chemical challenges.
Our basalt roving and high-tensile fabrics are engineered for dynamic structural wraps, composite reinforcement, pultrusion molding, and SMC processing. With optimized resin affinity (epoxy, polyester, vinyl ester, and polyurethane), our fibers ensure excellent stress-transfer properties and rapid curing times.
Basalt Fiber Rebar is a high-strength alternative to traditional steel bars. It is used in a wide range of applications for reinforcing concrete structures. Its excellent performance makes it ideal for a variety of construction applications such as bridges, highways, buildings and other infrastructure projects.
Continuous basalt fiber composites are currently undergoing commercial scaling across key regions, including North America, the European Union, the Middle East, and the Asia-Pacific. Each localized market presents distinct technical demands and regulatory landscapes. By tailoring fiber sizing, density, and composite structures, China Beihai ensures that our wholesale products comply with localized building codes and construction standards.
Building Construction
Our basalt products have diverse applications in residential and commercial building construction, reinforcing concrete structures, wall panels, and dry mortars to eliminate micro-cracking and improve structural lifetime.
Aviation Industry
In the aerospace field, basalt fibers provide an optimal balance of lightweight design, impact resistance, and electromagnetic neutrality, making them ideal for cabin interior components and thermal acoustic insulation.
Aerospace Systems
Through rigorous production control and specialized sizing technologies, China Beihai enables the use of basalt fiber structures in extreme environments, including satellite thermal blankets and high-temperature engine exhausts.
Concrete & Infrastructure
Integrating basalt rebar or chopped strands into concrete provides immense mechanical advantages, including outstanding chemical resistance, high crack limitations, and increased flexural strength under heavy loads.
Automotive Engineering
Driven by global vehicle weight-reduction targets, we continuously research and develop basalt fiber reinforced polymers (BFRP). These materials are widely used in modern vehicles for bumper beams, brake pads, and floor under-shields.
Bridge Abutment & Piers
With high impact tolerance and non-corrosive properties, basalt fiber systems protect highway overpasses and bridge columns from vehicular collisions, chemical de-icing salts, and aggressive environmental wear.
Petrochemical Piping
Excellent resistance to highly acidic and alkaline environments makes basalt roving and woven products highly effective for wrapping high-pressure oil transmission pipelines and gas refinery vessels.
Marine Engineering
From ship hulls to offshore wind turbine foundations, basalt fiber is highly resilient to sea-water erosion and bio-fouling, offering an environmentally safe material solution that doesn't corrode over time.
As part of our commitment to transparency and industry authority under the E-E-A-T guidelines, China Beihai actively documents the development of advanced basalt composites.
As advanced robotic systems and modern sensory devices become commonplace in modern smart cities, structural components must keep pace. Traditional steel rebars interfere with electromagnetic signals, limiting the efficiency of localized MRI rooms, automated guidance systems, and telecommunication hubs. China Beihai’s proprietary, non-conductive, and structurally stable basalt fiber systems address these challenges. They provide structural support that does not interfere with wireless telemetry, high-voltage fields, or precision medical scans.
Every metric ton of basalt fiber manufactured at the China Beihai plants is subject to exhaustive mechanical and chemical verification tests. We strictly adhere to global quality control standards. Our production processes conform to international standards such as ASTM D7957 (Standard Specification for Solid Round Glass Fiber Reinforced Polymer Bars for Concrete Reinforcement), ACI 440.1R (Guide for the Design and Construction of Structural Concrete Reinforced with FRP Bars), and standard ISO guidelines. This guarantees that our composite rebar, roving, mats, and geogrids can be designed and specified with absolute certainty by structural engineers globally.
Integrating basalt fiber products into construction projects requires a thorough understanding of their physical characteristics. For example, while basalt fiber rebar offers exceptional tensile strength, its modulus of elasticity differs from that of traditional steel. Therefore, structural concrete designs should prioritize tension-controlled limits to make full use of basalt's superior yield points without incurring excessive deflection.
For soil and asphalt paving reinforcements, using high-strength basalt geogrids provides a stable structure that interlocks aggregate particles effectively. This distributes heavy axle loads across a wider area, reducing structural rutting, localized fatigue cracking, and reflective cracking in overlying pavement layers. The high thermal resistance of basalt is crucial here, as it prevents the geogrid from degrading during the application of hot-mix asphalt (which can reach up to 170°C).
Using basalt fiber composites also offers significant ecological advantages. Unlike steel, which requires energy-intensive mining and refining processes, basalt is an abundant, naturally occurring volcanic rock. The processing of continuous basalt fiber produces no toxic chemicals or hazardous emissions. Furthermore, as concrete reinforced with basalt fiber lasts significantly longer and does not degrade due to rust, the overall carbon footprint of municipal infrastructures is drastically reduced over their lifecycles.
Specifically developed for non-magnetic, highly isolated areas such as medical MRI facilities, radar arrays, and high-voltage electricity transformation structures.
Learn More
Premium needle-punched insulation blankets designed for fire containment barriers, extreme thermal shields, and building acoustics.
Learn More
Unidirectional structural fabric engineered for reinforcing retrofitted concrete columns, beams, and dynamic shear-wall installations.
Learn More
Continuous chemical-resistant direct rovings. Provides exceptional structural support under exposure to marine acids and petrochemical environments.
Learn More
Non-woven ultra-thin surfacing veil engineered to provide a smooth, resin-rich, and chemically corrosion-resistant layer for composites.
Learn More
Exceptional high-tensile roadbed reinforcing mesh designed to distribute heavy loads, preventing shear failures in soft-soil subgrades.
Learn More
Mechanically bonded needle mats offering advanced thermal performance, sound dampening, and vibration absorption under extreme temperatures.
Learn More
Continuous roving specifically treated with chemical sizings tailored for Sheet Molding Compound (SMC) operations and high-pressure hot compression moldings.
Learn MoreExplore expert answers to frequently asked technical questions regarding the design, procurement, and deployment of basalt fiber materials in global construction projects.
Beihai Fiberglass
