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Basalt Fibre Chopped Yarn represents a massive leap forward in the structural materials landscape, serving as an eco-efficient, extremely durable alternative to traditional mineral glass and synthetic polymers. Derived from the controlled single-component melting of carefully selected volcanic basalt rock at temperatures spanning 1450°C to 1500°C, the resulting continuous filaments boast an exceptional chemical and physical composition. The chemical architecture primarily relies on silicate oxides (SiO₂ and Al₂O₃), coupled with iron oxides (FeO and Fe₂O₃), calcium oxide (CaO), and magnesium oxide (MgO). The unique balance of these compounds determines the material's superior properties, such as advanced alkali resistance, extreme temperature stability, and massive tensile capability.
Unlike E-glass fibers, basalt chopped yarn maintains incredible structural integrity when subjected to acidic, alkaline, or high-humidity environments. Its inherent thermal threshold ranges safely from -260°C to 820°C, significantly outperforming synthetic structures like aramid or polyester. By engineering custom sizing chemistries—specifically silane coupling agents paired with customized polymer film-formers—we ensure optimal Interfacial Shear Strength (IFSS) between the volcanic mineral filaments and various binder systems, including Portland cement matrixes, epoxy matrices, phenolic resins, and advanced engineering thermoplastics.
| Physical Property | Basalt Fibre (Continuous) | E-Glass Fibre | Carbon Fibre (Standard) | Structural Steel |
|---|---|---|---|---|
| Density (g/cm³) | 2.63 - 2.80 | 2.54 - 2.60 | 1.75 - 1.80 | 7.85 |
| Tensile Strength (MPa) | 3000 - 4500 | 2000 - 2500 | 3500 - 4800 | 450 - 550 |
| Elastic Modulus (GPa) | 85 - 95 | 72 - 76 | 230 - 240 | 200 - 210 |
| Elongation at Break (%) | 3.1 - 3.3 | 4.5 - 4.8 | 1.5 - 1.8 | 15 - 25 |
| Service Temperature Limit (°C) | -260 to 820 | -60 to 600 | Up to 2000 (Inert) | Up to 450 |
The global dominance of Chinese manufacturing in the advanced minerals sector is best illustrated by China Beihai. Founded in 2015 and strategically located in Jiujiang, Jiangxi Province, China Beihai has pioneered new benchmarks in the high-performance basalt continuous fiber industry. Our manufacturing capability goes beyond raw material drawing; we build and operate the proprietary continuous furnace equipment that drives the production of basalt fiber mats, rovings, yarns, chopped strands, sleeves, and rebars.
We own the complete intellectual property stack for our multi-end drawing bushings, optimizing energy expenditure and securing consistent filament diameters ranging from 9μm to 22μm.
From custom sizing development to direct basalt mining concessions in high-iron volcanic formations, our end-to-end integration minimizes lead times and shields buyers from supply chain shocks.
Our plants support tailor-made specifications including precise chop lengths (3mm to 50mm), varying sizing formulations (epoxy, vinyl ester, phenolic, polyurethane, and cement-compatible), and special packaging setups.
By using modular production lines, China Beihai guarantees consistent mechanical properties across production campaigns. Our proprietary sizing technologies ensure the chopped strands integrate effortlessly within host matrices, achieving uniform dispersion without fiber bundling or dry pockets. This extreme focus on technology optimization reduces final pricing significantly compared to European and North American alternatives, providing a massive advantage for global engineering and industrial purchasers.
Procuring raw Basalt Fibre Chopped Yarn on a global scale requires a deep understanding of cost drivers, structural grade requirements, and regulatory criteria. Rather than offering one-size-fits-all prices, China Beihai creates custom quotes tailored to detailed operational conditions. The global pricing framework is determined by several core characteristics:
To assist global procurement officers, we provide custom baseline pricing estimates. Depending on your destination port (FOB Jiujiang / Shanghai, CIF Hamburg, CIF Houston, or CIF Rotterdam), volume commitments, and exchange rate variables, our team delivers custom packages built for optimized cost efficiency. High-volume purchases (over 20 Metric Tons) unlock tier-one discounting structures, providing excellent returns for large infrastructure and composite programs.
Basalt fiber chopped yarn is incredibly versatile, providing targeted solutions across diverse heavy-industrial, automotive, and civil engineering fields:
Traditional steel and glass fiber reinforcements often fail in chloride-heavy, saline coastal climates. Basalt chopped yarn, with its strong chemical resistance, offers perfect reinforcement for marine retaining structures, harbor slabs, and bridge decks. When mixed into Ultra-High-Performance Concrete (UHPC), it creates a robust barrier that prevents micro-cracking and slows down concrete degradation, significantly extending structural life.
Driven by strict environmental and safety regulations, the automotive sector is shifting away from traditional asbestos and metallic elements in brake systems. Our custom basalt chopped yarn is designed specifically for high-performance friction pads. By holding a steady coefficient of friction under high heat, it reduces brake fade and maintains incredible structural strength even at 600°C.
In aerospace structures, keeping weight down while managing intense heat is key. Basalt fiber is an excellent material for manufacturing aerospace wing fairings, rocket thermal protection blankets, and jet engine sound insulation panels. Furthermore, basalt continuous needled mats offer premium thermal and acoustic insulation without the health and safety risks associated with standard ceramic fibers.
Handling acidic byproducts and highly reactive chemicals requires strong corrosion resistance. Using basalt fiber surfacing tissues in fiberglass reinforced plastic (FRP) pipes, storage vessels, and chemical processing facilities prevents chemical leaks, protects inner surfaces, and resists deep structural corrosion.
As the international industry aligns with stringent net-zero goals, basalt fiber is standing out as a highly sustainable structural material. Unlike carbon fiber, which relies on heavy energy use and fossil-based PAN precursors, basalt is derived from volcanic rock. The manufacturing process features a low carbon footprint, emits no toxic byproducts during drawing, and is completely recyclable at the end of its life cycle.
The industry is moving quickly toward smart manufacturing. At China Beihai, we are introducing AI-powered furnace thermal controls and real-time laser monitoring systems for filament diameter control. These technologies prevent structural weak points, guarantee uniform sizing, and keep filament diameters perfectly consistent. Additionally, the development of specialized silane sizing molecules is enabling seamless blending with advanced thermoplastic resins (like PPS, PEEK, and PA12), opening new doors for automated injection molding in high-tech fields.
China Beihai was founded in 2015 and is located in Jiujiang, Jiangxi Province. We are a high-tech enterprise focusing on the research, development, production, and sales of high-performance basalt continuous fiber, alongside manufacturing advanced basalt production equipment. This dual capability makes us a leading, reliable enterprise in the domestic basalt fiber industry.
Our facility and products are designed to meet the diverse needs of various industries, providing high-quality solutions for our customers globally. Choosing to work with China Beihai means working with a leading manufacturer of basalt products. Our commitment to quality, innovation, and sustainability sets us apart, ensuring our customers receive best-in-class solutions for their diverse needs.
At China Beihai group, we specialize in the production of a wide range of products including basalt fiber mat (Basalt fiber chopped strand mat, Basalt fiber cloth), basalt fiber roving, basalt fiber yarn, basalt fiber chopped strands, and basalt fiber products (Basalt Fiber rebar, basalt fiber sleeves and tape).
We are dedicated to the production of a wide array of basalt-based products, ranging from basalt fiber mat, fabric, and roving to chopped strand and specialized construction materials. Our focus is on delivering high-quality, sustainable solutions for industries such as construction, geotechnical engineering, and manufacturing.
Choosing to work with China Beihai means working with a leading manufacturer of basalt products. Our commitment to quality, innovation, and sustainability sets us apart. Backed by our dedication to excellence and industry expertise, when you partner with China Beihai, you can trust that you are working with a reliable and forward-thinking supplier.
Basalt fiber is ideal for your engineering projects. Its high strength, corrosion resistance, and lightweight properties allow it to easily solve a variety of challenges.
Our basalt products have diverse applications in the field of house construction, including reinforcing concrete structures, facades, and foundations.
In the aerospace field, basalt fibers are ideal for manufacturing aircraft wings, spacecraft shell materials, thermal protection systems, and high-temperature-resistant engine components.
Basalt-added concrete offers increased strength and durability, increased crack resistance, improved chemical resistance, and improved workability.
We supply lightweight automotive composite materials, offering high strength, durability, and vibration damping under challenging road conditions.
Basalt's high strength and durability make it ideal for protecting bridge structures, docks, and piers from vehicle collisions, marine environments, and corrosion.
The outstanding corrosion resistance of basalt fiber gives it a unique advantage in petrochemical structures and hazardous chemical environments.
Our global top-performing fiber variants
Basalt Fiber Surfacing Tissue Mat is a non-woven thin sheet engineered to provide a smooth resin-rich surface layer for fiber-reinforced plastics.
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Our high-performance Basalt Fiber Mesh provides a superior reinforcement solution for concrete and plaster applications where high alkali resistance is key.
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Our Basalt Fiber Needled Mat is a high-density insulation material manufactured by mechanically bonding continuous basalt fibers without chemical binders.
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Our Basalt Fiber Twisted Yarn is engineered by twisting multiple continuous filaments to enhance mechanical strength and processing stability.
Read MoreInternationally accredited physical & chemical standards
As advanced infrastructure systems and intelligent automated robots execute heavy tasks in extreme environments, structural stability relies on high-tech materials. Basalt continuous fiber has emerged as the definitive material for high-temperature resistance, lightweight composites, and corrosion-free reinforcement. Read our comprehensive analysis on how continuous basalt mineral fibers are revolutionizing high-temperature industrial environments.
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Beihai Fiberglass
