Monofilament polyolefin macro-fibre specific for prefabrication

Code: RDM.0222

Components: 1

Appearance: Fibers

Structural polyolefin macro-fibre, high performance, for improved adherence, with a length equal to 38 mm, to be added to the concrete during mixing, specific for structural applications, even as a substitute for conventional steel reinforcements (only with the approval of the structural engineer in charge). READYMESH PS-380, thanks to its performance yield, its form factor and length, is particularly suited for applications in the field of industrial prefabrication.

Linee di appartenenza

General characteristics


Density: 0.91 g/cm³


Diameter: .69 mm


Lenght: 38 mm



Technical specifications

Auto-ignition temperature

>400 °C


350 °C

Number of filmanets

62500 nr/kg

Softening point

160-170 °C

Young modulus

9 GPa

Available colours

- Transparent

Packaging and dimensions

- Hydro degradable bag 4 kg

- Box: 4 x (Hydro degradable bag 4 kg)


Using READYMESH PS-380 increases the absorption of energy of the product in case of breakage and yielding, it gives the concrete a greater resistance to the forces of traction/bending, it reduces the risk of breakage of the concrete component in the corners and edges. It also reduces the phenomenon of segregation of the concrete during the installation and it reduces the risk of corrosion of the reinforcing rods (if present) due to the reduction in cracking from plastic shrinkage.


Variable according to the type of work to be carried out (screeds, floors, spritz beton), on average from 1 to 6 kg per cubic metre of cement conglomerate.

Use fields

By adding to concrete material for the production of prefabricated components, also of large dimensions. It can also conveniently be used for the structural reinforcement of three-dimensional concrete in general.

Use method

Add the fibres to the concrete during mixing. Mix, with the drum of the mixer truck at full speed, for at least one minute for each m³ of concrete. The dosage, depending on use, is normally included between 1 to 6 kg/m³.

Application methods

- To be added to other components

- Sprayer

Permitted supports

- Concrete

- Prefabricated concrete

- Mixed walls (bricks and stones)

- Brickworks

- Stone walls

- Rock walls

- Porphyry and natural stones

Warnings, precautions and Ecology

The addition of the fibres may change the rheology of the cement mixture slightly. To restore the original fluidity only use specific plasticizing additives. We do not recommend adding water to the mixture.

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