Dramix® Loop™ – Second life steel fibers for more sustainable concrete structures
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    Dramix® Loop™  tackles one of the construction industry's biggest challenges—minimizing CO₂ emissions—by transforming tyre cord from end-of-life truck tyres into high-performance steel fibres.

    Being the world's leading steel cord manufacturer, reinforcing 1 in every 4 tyres, Bekaert prioritized finding a circular use for this high-grade steel. This resulted in the creation of the first high-performing steel fibre specifically designed to support a truly circular economy and engineered for concrete reinforcement. As such these steel fibres have an ultra-low carbon footprint, without compromising on performance.

    What truly sets Dramix® Loop™  apart is its high tensile strength of 2.700 MPa avg., combined with strict production tolerances that ensure high precision and reliable performance in non-structural concrete applications. On the other hand, their diameter of 0,27 mm avg. makes it possible to achieve a denser fibre network. This, in turn, allows for lower fibre dosages per cubic meter of concrete.

     

     

     

    Our Dramix® Loop™  portfolio includes three variants, each engineered to balance workability, dosage, and reinforcement precision – giving you the flexibility to match your mix, project, and performance needs.

    Built for a circular future

    Being designed to support a truly circular economy, Dramix® Loop™ steel fibres deliver performance without compromise:

    • Sourced from end-of-life truck tyres.
    • Near zero carbon footprint, with an EPD value of 0,0436 kg CO₂e/kg, verified for sustainable building.
    • Contributes to circular construction goals.
    • Maximized benefits of steel fibre reinforcement.

    Engineered to perform – Confidently

    Don’t let ‘second life’ fool you, as these steel fibres have an excellent variation of specifications:

    • 2.700 MPa avg. tensile strength across all variants.
    • Thin diameter (0,27 mm avg.) = more fibres per kg = better stress distribution.
    • Controlled tolerances ensure consistent reinforcement.
    • Clean steel fibres = Only 1,2%-1,7% avg. of residual rubber content remains, allowing for cleaner mixing and smoother finishing.

    Adapts to your project

    Every project is different. That’s why Dramix® Loop™ offers application flexibility through a tailored range of fibre lengths and tolerances:

    • Adapt fibre dosing based on application demands.
    • Blend with Dramix® steel fibres for a hybrid solution.
    • Backed by our testing and technical support.

    Helps you build smarter

    Need help choosing the right fibre or adjusting your mix? Our experts offer full support – from specification to on-site implementation – so you can build better with confidence.

    Overview

    Applications

    Applications

    • Industrial floors.
    • Outdoor pavements.
    • Residential applications.
    • Sprayed concrete.
    • Infrastructure applications.
    • Precast elements.
    • (Ultra) High Performance Concrete (UHPC/HPC).
    Benefits

    Benefits

    • 100% circular.
    • Near zero carbon emissions.
    • High strength.
    • Versatile and precision-engineered.
    • Compatible with Dramix® solutions.
    Features

    Features

    Average tensile strength 2.700 MPa
    Average diameter 0,27 mm
    Average fiber lengths 15, 20, or 25 mm
    Average dosage per m³ 3–80 kg/m³
    EPD value 0,0436 kg CO₂e/kg