Heat Resistance Anti-friction Basalt Fiber Chopped Strands of 3 mm Chopping Length

Basalt Fiber Chopped Strands are short with cut lengths of continuous basalt fiber, typically ranging from 3 mm to 100 mm. The raw material is natural volcanic rock (basalt), which is melted at around 1450–1500°C and extruded through platinum‑rhodium bushings to form continuous filaments. After cutting, the strands retain all the outstanding properties of continuous basalt fiber, making them a high‑performance, eco‑friendly inorganic non‑metallic material.

Technical Specifications & Datasheet

The following table lists typical parameters. Actual values may vary depending on the specific grades (e.g., those optimized for asphalt or concrete).

Key Advantages

· Excellent Mechanical Properties – High tensile strength and modulus significantly improve the toughness, crack resistance, and fatigue resistance of composite materials.

· Wide Temperature Range – Serviceable from ‑269°C to 700°C, offering both high‑temperature stability and low‑temperature crack prevention.

· Superior Chemical Resistance – Resistant to acids, alkalis, salt water, and seawater; performs stably in alkaline environments such as concrete.

· Good Processability – Surface treated with silane or other sizing agents, ensuring good compatibility with various resin systems, including epoxy, vinyl ester, polypropylene (PP), and polyester.

· Eco‑friendly & Functional – 100% natural, non‑toxic, and environmentally friendly; additionally offers electrical insulation, antistatic properties, sound absorption, and waterproofness.

Application Fields

· Construction & Civil Engineering – Used to reinforce cement concrete and asphalt concrete. Enhances the toughness, impermeability, thermal deformation resistance, and fatigue performance of roads, bridges, dams, tunnels, and other infrastructure.

· Composite Materials – Acts as a reinforcing filler in sheet molding compounds (SMC), bulk molding compounds (BMC), and other composite systems.

· Transportation & Industrial – Used for reinforcing automotive, railway, and marine components; also applied in friction materials, high‑temperature filter fabrics, and thermal insulation materials.

General Specifications