Basalt fiber: high-performance green material leading the future
1 Overview of basalt fiber
Basalt fiber is a continuous fiber made of natural basalt ore, which is melted at 1650℃ and drawn. As a new type of inorganic environmentally friendly material, it not only retains the natural high temperature resistance and corrosion resistance of basalt, but also has outstanding advantages such as high tensile strength, good insulation performance, and environmental protection and non-toxicity. Compared with traditional glass fiber and carbon fiber, basalt fiber can maintain stable physical properties within the temperature range of -260℃ to 700℃, and no harmful substances are produced during the production process, which fully meets the strict requirements of modern industry for green and environmentally friendly materials.
2 Main products and applications of basalt fiber
Chopped basalt fiber
- Excellent dispersion performance, can be evenly distributed in various matrix materials
- Wide temperature resistance range, can maintain stable performance under extreme temperature environment
- Can resist most acid and alkali corrosion
- Can significantly improve the mechanical strength and durability of composite materials
Typical applications:
- Used as a reinforcing additive in high-performance concrete and asphalt
- Manufacture of high-temperature friction materials such as automobile brake pads and clutches
- Key materials for high-temperature flue gas filtration systems
- Reinforced skeletons for various molded composite products
Basalt fiber mesh
- Unique grid structure ensures excellent air permeability and light transmittance
- Excellent anti-ultraviolet aging performance, long outdoor service life
- Meet Class A fire protection standards, no combustion and no toxic smoke in case of fire
- Simple construction, can be flexibly cut and shaped according to needs
Typical applications:
- Reinforcement layer of building exterior wall insulation system
- Anti-cracking and anti-seepage treatment in road engineering
- Reinforced substrate for GRC decorative components
- Anti-corrosion protective layer for industrial pipelines
Basalt fiber geogrid
- Ultra-high tensile strength, up to 100kN/m
- Excellent resistance to soil chemical corrosion
- Excellent creep resistance, small deformation under long-term load
- Designed service life of more than 50 years, low maintenance cost
Typical applications:
- Reinforcement of highway and railway roadbeds
- Slope protection and ecological restoration projects
- Reinforcement of soft soil foundations
- Dam reinforcement in water conservancy projects
Basalt fiber cloth
- Strength is 2-3 times that of ordinary steel, and weight is only 1/4 of steel
- Instantaneous temperature resistance can reach 1000℃, which is an ideal fireproof material
- Excellent electrical insulation and anti-electromagnetic radiation performance
- 100% recyclable, completely environmentally friendly
Typical applications:
- Earthquake reinforcement project of building structures
- Lightweight components of aerospace vehicles
- Anti-corrosion protective layer for ships
- Fireproof and heat-insulating materials in the field of fire protection
3 Comprehensive advantages of basalt fiber
- Performance: high strength, high temperature resistance, corrosion resistance, good insulation performance, and many performance indicators surpass traditional materials.
- Economic: long comprehensive service life and low maintenance cost.
- Environment: from raw material collection to production application, green and environmentally friendly.
- Application: The product has various forms and can meet the special needs of multiple fields such as construction, transportation, energy, and environmental protection.
4 Development prospects
Due to its unique performance advantages and environmental protection characteristics, basalt fiber is gaining more and more widespread applications in infrastructure construction, new energy equipment, aerospace and other fields. In the future, with the continuous advancement of production technology and the continuous reduction of costs, basalt fiber is expected to become the third largest fiber-reinforced material after glass fiber and carbon fiber, and the market prospects are very broad.
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