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Table 4 Synthetic macro fiber data (Nikolaisen 2010).

From: Investigation of Fiber Distribution in Concrete Batches Discharged from Ready-Mix Truck

Characteristics

Material property

Base resin

Polyolefin

Length

48 mm

Tensile strength

550 MPa

Surface texture

Embossed

Fibers per kg

>35,000

Specific gravity

0.90–0.92

Young’s modulus

10 GPa

Melting point

150–165 °C

Ignition point

>450°