Explore our core continuous fiber innovations engineered to replace heavy steel and standard glass fiber.
Founded in 2015 and located in Jiujiang, Jiangxi Province, China Beihai is a pioneering high-tech enterprise focusing on the comprehensive research, development, production, and worldwide sales of high-performance basalt continuous fiber and its custom production equipment manufacturing. As a dominant leader in the domestic basalt fiber industry, we maintain extensive manufacturing infrastructure that delivers consistent, batch-certified basalt products globally.
Basalt fiber is ideal for your engineering projects. Its high strength, corrosion resistance, and lightweight properties allow it to easily solve a variety of complex construction and structural challenges. In buildings, bridges, highways, and marine infrastructure projects, basalt fibers demonstrate outstanding durability, significantly extending structural life cycles and reducing ongoing maintenance costs. Choose basalt fiber, choose unmatched reliability and durability.
Engineered for high performance, verified by international certification, and trusted by global procurement directors.
At China Beihai group, we specialize in the continuous production of a wide range of basaltic products including basalt fiber mat (Basalt fiber chopped strand mat, Basalt fiber cloth), basalt fiber roving, basalt fiber yarn, basalt fiber chopped strands, and structural reinforcement systems such as Basalt Fiber rebar, basalt fiber sleeves, and tape. Our high-tensile, heat-resistant configurations are designed to meet strict international project requirements.
We are dedicated to the precise extraction, refining, and industrial manufacturing of raw volcanic basalt rock. Through custom direct-melt and advanced bushing technologies, we deliver highly stable composite fibers to industries such as aerospace, highway construction, chemical processing, and civil engineering. By integrating innovative sizing chemistry, we enhance interface adhesion between fibers and resins.
Choosing to partner with China Beihai means working alongside an industry-leading, ISO-certified continuous basalt fiber manufacturer. Our persistent commitment to product quality, batch reliability, and cost-efficient supply logistics guarantees consistent solutions for high-spec engineering requirements. Our technical support team works directly with engineers to offer fully custom roving sizing and yarn weights.
Deep-dive research on custom lightweight basalt fiber roving properties, mechanical strengths, and market trends.
As the global manufacturing industry prioritizes carbon neutrality, Lightweight Basalt Fiber Roving has transitioned from a specialized aerospace material to a widely used structural solution. Basalt continuous fiber is produced by melting natural, inert volcanic basalt rock at high temperatures (1450°C - 1500°C) through platinum-rhodium alloy bushing plates. Because it consists of 100% natural, single-ingredient minerals, the manufacturing process is highly eco-friendly, releasing minimal greenhouse gas compared to glass or carbon fiber production.
From an engineering perspective, Basalt Fiber Roving offers an exceptional balance of mechanical, thermal, and chemical performance. It possesses high specific strength, low density (~2.65 g/cm³), and superb thermal stability, functioning reliably in extreme temperature ranges from -269°C to over 700°C. Additionally, basalt fibers are inherently resistant to acidic and alkaline environments, making them highly suitable for harsh chemical storage infrastructure, wastewater facilities, and marine engineering applications.
| Performance Parameter | Basalt Fiber (China Beihai) | E-Glass Fiber | Carbon Fiber (Standard) |
|---|---|---|---|
| Density (g/cm³) | 2.63 - 2.80 | 2.54 - 2.60 | 1.75 - 1.80 |
| Tensile Strength (MPa) | 3000 - 4500 | 2000 - 3400 | 3500 - 5000 |
| Elastic Modulus (GPa) | 85 - 95 | 72 - 76 | 230 - 240 |
| Service Temperature Range (°C) | -269 to +700 | -60 to +450 | -100 to +500 |
| Chemical Alkali Resistance | Excellent (High PH Tolerance) | Poor to Moderate | Excellent |
| Raw Material Carbon Footprint | Ultra-Low (100% Volcanic Rock) | Moderate | High (Energy Intensive) |
Our long-term R&D in continuous fiber manufacturing focuses on optimizing three core areas: Micro-Filament Optimization, Resin Adhesion Chemistry, and Hybrid Fiber Weaving. By developing filament diameters down to 9 micrometers (μm) while retaining high mechanical integrity, we provide ultra-thin, highly flexible rovings for electronic circuit boards and lightweight sporting gear. Concurrently, we are engineering advanced silane-based sizing formulations that bond seamlessly with epoxy, vinyl ester, and thermoplastic resins (such as polypropylene and polyamide), allowing manufacturers to produce lightweight parts with shorter cycle times.
Discover how continuous basalt fiber products are applied across diverse high-performance sectors to achieve structural integrity.
Our basalt products have diverse applications in house construction, reinforcing concrete beams, wall cladding, and exterior insulation systems.
In the aerospace and defense fields, basalt fibers are ideal for manufacturing light structural panels, aircraft wings, and thermal insulation shielding.
With fine process control and surface treatment technologies, our basalt continuous fibers are applied in spacecraft shell structures, extreme heat protection, and engine components.
Basalt-added concrete offers increased mechanical strength, long-term durability, chemical corrosion resistance, and excellent crack propagation control.
Facing the demand for lightweight automotive materials, our basalt fiber composites provide highly durable parts for structural panels, under-shields, and break systems.
Basalt's high mechanical strength and corrosion resistance make it ideal for shielding bridge piers from wave action, salty spray, and high impacts.
The complete corrosion resistance of continuous basalt fibers gives it a unique advantage in petrochemical conduits, refining tanks, and protective pipes.
A sustainable high-performance fiber, basalt composites offer lightweight hulls, exceptional seawater corrosion resistance, and excellent acid/alkali tolerance.
High-demand products engineered to exceed modern architectural and thermal standards.
Basalt Fiber Surfacing Tissue Mat is a non-woven thin sheet engineered to provide a smooth, resin-rich surface layer for fiber-reinforced plastics...
Read More
Our high-performance Basalt Fiber Mesh provides a superior reinforcement solution for concrete and plaster applications where high alkali resistance is mandatory...
Read More
Our Basalt Fiber Needled Mat is a high-density insulation material manufactured by mechanically bonding continuous basalt fibers without chemical binders...
Read More
Our Basalt Fiber Twisted Yarn is engineered by twisting multiple continuous filaments to enhance mechanical strength and processing stability for weaving...
Read More
Basalt Fiber Rebar serves as a high-strength, lightweight, and rust-proof alternative to traditional steel bars. It is widely used for reinforcing concrete structures across highways, airport runways, bridges, sea walls, and subway systems. The completely rust-proof profile of basalt rebar removes the danger of internal concrete spalling, significantly extending structural lifespan and cutting life-cycle expenses.
Every continuous basalt fiber batch undergoes strict testing to meet international quality control standards.
Stay up to date with new advances in high-performance continuous basalt fiber composite technologies.
As drones slice through the sky to monitor wildfires and intelligent robots execute tasks with precision on the factory floor, the efficient operation of this smart equipment is often underpinned by a "hardcore support" of basalt fiber composites. Our research into high-specific-strength structural components continues to drive optimization across modern commercial platforms.
View More NewsFind clear answers to key technical, sourcing, and application questions asked by global procurement teams.
Direct roving consists of a single bundle of continuous basalt filaments extruded directly from the volcanic melt, offering superior tensile strength for pultrusion and filament winding processes. Assembled roving bundles multiple strands together, making it ideal for spraying, chopping, or structural weaving applications requiring rapid wet-out.
We customize the chemical sizing applied to the fiber surface during extrusion. Based on your project needs, we formulate specific silane coupling agents that maximize chemical bonding with epoxy, vinyl ester, polyester, or thermoplastic resin matrices, improving mechanical properties and long-term durability.
Yes, basalt fiber roving is a cost-effective alternative. While carbon fiber offers higher absolute stiffness, basalt fiber provides higher elongation at break, superior impact resistance, and robust chemical durability, all at a fraction of the cost, making it highly competitive for automotive, marine, and sporting goods.
Generally, standard sample testing lots are dispatched within 3 to 7 business days. Large-scale custom production runs (with custom Tex, sizing, or sizing chemistry) are typically completed and prepared for shipping from our Jiujiang, Jiangxi facility within 15 to 30 days, backed by full ISO/CE certification documentation.
Complete your design requirements with our advanced fireproofing and reinforcement composite series.
Beihai Fiberglass