Engineered volcanic rock continuous filament solutions for reinforcement, thermal containment, and mechanical preservation.
Basalt Braided Sleeving Protection represents a core advancement in modern thermomechanical insulation systems. Fabricated from 100% natural, continuous basalt volcanic filaments, this highly dense and flexible structure is optimized to safeguard critical industrial cables, hydraulic tubes, and gas lines operating in extreme environments.
Unlike synthetic polymers or glass-based protective alternatives, basalt-derived products possess an exceptional innate crystalline configuration. Drawn from molten natural basalt rock at temperatures exceeding 1450°C (2642°F), the resulting continuous fibers retain high structural stability, high tensile integrity, and an outstanding capability to withstand continuous working environments from -260°C to +700°C (-436°F to +1292°F).
"For industrial engineering teams demanding long-term operational security, basalt sleeving guarantees zero thermal degradation under high peak exposures. It acts as an absolute defense line against radiant heat, flame propagation, chemical sprays, and dynamic friction."
| Thermal & Physical Parameters | Continuous Basalt Fiber (China Beihai) | Standard E-Glass Fiber | Aramid (Kevlar) Fiber | Carbon Fiber (Pan-based) |
|---|---|---|---|---|
| Continuous Temperature Range | -260°C to +700°C | -60°C to +550°C | -50°C to +250°C | -50°C to +350°C |
| Short-Term Max Threshold | 1000°C (1832°F) | 650°C (1202°F) | 350°C (662°F) | 600°C (1112°F) |
| Tensile Strength (MPa) | 3000 - 4800 | 2000 - 3400 | 2800 - 3600 | 3500 - 5000 |
| Acid/Alkali Durability | Excellent (pH 1 - 13) | Poor to Moderate | Fair (Vulnerable to strong acids) | Excellent |
| Moisture Absorption (%) | < 0.1% | < 1.0% | < 4.5% | < 1.5% |
| UV & Radiation Resistance | Absolute (High mineral stability) | High | Poor (Prone to photo-oxidation) | Excellent |
Founded in 2015 in Jiujiang, Jiangxi Province, China Beihai is a pioneer in continuous volcanic rock basalt drawing, weaving, and global distribution.
Operating from our highly integrated high-tech enterprise facility in Jiujiang, Jiangxi, China Beihai has emerged as the premier manufacturing powerhouse for basalt fiber products and processing equipment. By utilizing localized electric melting furnace designs and advanced draw bushings, we control the entire lifecycle of basalt continuous fiber creation.
Our strategic position within China’s central chemical and industrial corridor provides us with unmatched mineral extraction access and raw material purification control. Every strand used in our Basalt Braided Sleeving Protection comes from certified high-purity volcanic basalt rock. This results in incredibly consistent filament diameters (ranging from 9μm to 22μm) which translates directly into premium-grade tensile strength and flexibility in our braided jackets.
For global EPC contractors, automotive suppliers, and aerospace procurement teams, partnering directly with a Chinese manufacturer like China Beihai delivers outstanding competitive advantages:
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). Our products are designed to meet the diverse needs of various industries, providing high-quality solutions for our customers.
At China Beihai group, 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. With a commitment to innovation and excellence, we strive to cater to the unique requirements of our clients.
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. With reliability and customer satisfaction at the core, we offer a wide range of high-quality basalt materials and construction products, backed by our dedication to excellence and industry expertise.
Unveiling the Infinite Potential of Basalt: Engineering durability, chemical resilience, and weight reduction into global critical infrastructure projects.
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.
In buildings, bridges, roads and other infrastructure projects, basalt fibers demonstrate outstanding performance, extending structural life and reducing maintenance costs. Choose basalt fiber, choose reliability and durability. Through fine process control and surface treatment technologies, our research and engineering teams have made it possible to expand basalt’s application from everyday thermal line shielding to high-altitude space capsules, heavy chemical transport corridors, and advanced concrete reinforcement.
Providing high tensile, multi-end continuous filaments designed as direct feeds for filament winding, pultrusion, and high-density textile braiding.
High-strength composite reinforcement bars for concrete structures, offering zero corrosion, lightweight handling, and electromagnetic transparency.
Basalt fiber rebar is a high-strength alternative to traditional steel bars and is used in a wide range of applications for reinforcing concrete structures in various fields. Its excellent performance makes it ideal for a variety of construction applications such as bridges, highways, buildings and other infrastructure projects where high salt, humidity, and electrochemical environments degrade steel reinforcement rapidly.
By eliminating internal rust propagation, China Beihai’s non-magnetic and electromagnetic transparent basalt rebar guarantees a structure service span exceeding 100 years. When bundled with basalt sleeves and mesh in critical zones, infrastructure durability is drastically enhanced.
A non-woven thin sheet engineered to provide a smooth, resin-rich surface layer for fiber reinforced plastic products.
Provides a superior reinforcement solution for concrete and plaster applications where high alkali resistance is mandatory.
A high-density insulation material manufactured by mechanically bonding continuous basalt fibers without chemical binders.
Engineered by twisting multiple continuous filaments to enhance mechanical strength and processing stability for custom braids.
Across transportation, space exploration, and resource processing, basalt fiber technology is replacing weak materials.
Our basalt products have diverse structural applications in residential, municipal, and commercial building envelopes.
Ideal for weight-efficient aircraft fuselage reinforcement, firewalls, and acoustic/thermal barrier panels.
Deployed in extreme spacecraft shells, atmospheric re-entry heat shields, and rocket booster isolation sleeves.
Increases load bearing capability, prevents catastrophic cracking, and resists direct acid/alkali exposures.
Provides robust heat shields for exhausts, EV battery enclosures, and under-hood electronics wrapping.
Protects structural concrete piers from maritime vehicle collisions, intense water shear, and wave corrosion.
Used to wrap pipelines transporting corrosive oil derivatives, hot steam, and highly reactive chemicals.
Protects composite hull structures, engine pipes, and exhaust funnels from salt mist and marine decay.
As dynamic industrial frameworks lean more heavily towards resource sustainability and reduced carbon footprint, traditional high-emission fiberglass and environmentally problematic asbestos fibers are being globally phased out. Basalt continuous fiber represents a fully ecological, recyclable material that demands no chemical binders during its core raw drawing phase.
In addition, the massive expansion of the Electric Vehicle (EV) industry has created a critical surge in demand for basalt braided sleeving. These sleeves are now heavily specified for battery cable wrapping to mitigate cell-to-cell thermal propagation during fire runaways. The sleeve's non-conductive, fireproof properties prevent short circuits even under direct mechanical crushing or extreme heat surges.
On a macro level, infrastructure builders across high-salinity coastal areas are switching their structural reinforcements entirely to Basalt FRP Rebar systems. The combination of lightweight handling, high tensile stability, and absolute non-magnetic transparency ensures that critical telecommunication hubs and smart energy grids operate without electromagnetic interference.
Our manufacturing and continuous rock-drawing processes are backed by rigorous international standard verifications.
Addressing core mechanical, thermal, and chemical compatibility concerns commonly raised by lead engineers.
China Beihai's continuous basalt fiber sleeves are engineered to handle a continuous operating temperature range of -260°C to +700°C (-436°F to +1292°F). Under extreme conditions, the sleeves can withstand peak temperatures of up to 1000°C (1832°F) for short durations without losing their structural shape, melting, or releasing toxic fumes. This performance easily beats standard E-glass glass fiber sleeves.
Standard glass fibers (especially E-Glass) quickly degrade when exposed to strong acids and highly alkaline cement compounds. Basalt is naturally resistant to chemical attack due to its volcanic mineral structure. It shows outstanding stability in highly acidic (pH 1) and alkaline (pH 13) chemicals, making it ideal for shielding fuel conduits, marine drilling rigs, and heavy chemical industrial lines.
Yes. We are a direct manufacturer, which allows us to customize the inner diameter (ranging from 1mm up to 150mm), wall thickness, braiding angle, and expansion ratio. We can also add secondary protective coatings, such as high-temperature silicone rubber (for molten metal splash defense) or PTFE layers (to enhance dielectric strength and chemical resistance).
Sleeves are packaged on dynamic plastic/cardboard spools in lengths of 50m, 100m, or 200m depending on the diameter, and boxed in impact-proof wooden crates. Standard specifications have a lead time of 7-10 working days, while complex custom configurations (special braiding densities or custom chemical coatings) take 15-20 days.
As drones slice through the sky to monitor wildfires, and intelligent robots execute repetitive tasks with precision on the factory floor, the efficient operation of this smart equipment is often underpinned by "hardcore support". Our continuous basalt fiber components are driving this transformation, providing highly resilient mechanical frames, exceptional electromagnetic transmission, and unmatched thermal shielding for next-generation automated machinery.
Explore our extensive line of high-performance basalt insulation boards, mesh systems, non-conductive FRP rebars, and fireproof mats.
Beihai Fiberglass