Polyacrylonitrile (PAN) Microfibers

Description

AF-PAN-Fiber is a new kind of synthetic reinforcement fiber. It is made of PAN resins by special technique, can strengthen the anti-crack performance of asphalt and cement concrete.

Polyacrylonitrile (PAN) Microfibers

Specifications

MaterialPolyacrylonitrileTypeBunchy monofilament
Tensile Strength (MPa)≥450Diameter (μm)15±2
Elongation at Break (%)≥10Density (g/cm3)1.18-1.2
Modulus of Elasticity (MPa)≥3000Length (mm)6±1, 12±1

Note: length range is 3-50mm, customizable.

Functions

The specific surface of PAN-Fiber is very large, when both the fibers and surrounding asphalt are attached to the surface of the aggregate, the asphalt membrane will enlarge, further prolonging the lifetime of roads.

The asphalt attached by the crossbinding fibers will increase the proportion of structural asphalt, decrease free asphalt, increase the viscosity of the mastic, and increase softening point, thereby improving the stability of SMA mixture.

The fibers are randomly distributed in the mastic in 3D. They can prevent the cracking of mixture, and increase the self-healing capability of the asphalt roads, then decrease the crack.

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