Basalt Fiber Concrete Reinforcement
Basalt fiber is a natural mineral fiber produced by melting volcanic basalt rock and drawing it into continuous filaments. As a concrete reinforcement, chopped basalt fiber offers superior tensile strength, excellent alkali resistance, and higher thermal stability compared to polypropylene and glass fibers. It is an emerging sustainable alternative to traditional fibers, with applications in structural concrete, shotcrete, and composites where corrosion resistance and high strength are required.
Technical Specifications
| appearance | Brown to dark grey fibrous material |
| fiber length (mm) | 12–48 (customizable) |
| elastic modulus (GPa) | ≥89 |
| tensile strength (MPa) | ≥2800 |
| service temperature range (°C) | -260 to +650 |
Applications
- High-performance structural concrete for bridges and infrastructure
- Shotcrete for tunnel lining and rock stabilization
- Precast concrete elements requiring high durability
- Concrete in high-temperature environments (up to 650°C)
- Marine and coastal structures requiring corrosion resistance
Key Features
- Higher tensile strength than E-glass fiber and PP fiber
- Excellent natural alkali resistance without ZrO2 coating requirement
- Wide service temperature range (-260°C to +650°C)
- Sustainable and eco-friendly: made entirely from natural volcanic rock
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