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Contec S.A.
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Contec - Model ConWire -Recovered Steel

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Contec is at the forefront of tire recycling technology, specifically focusing on the recovery of high-tensile steel from end-of-life tires (ELT). Their product, ConWire®, is derived from high-quality tire steel cords and bead wire, making it a superior alternative for various applications. By utilizing industry-leading shredder machines, Contec ensures that over 98% of the steel is efficiently separated during the shredding phase. This not only enhances the quality and consistency of the steel but also positively impacts the pyrolysis process by improving the quality of recovered oil and simplifying the handling of recovered carbon black (rCB). The recovered steel is highly sought after in the production of new tire cords, additive in carbon steel, and even for research and development purposes. Contec's commitment to circular manufacturing and sustainable practices is evident as they employ renewable electricity for their energy-intensive processes, thereby significantly reducing the carbon footprint of their operations. They also maintain stringent safety protocols and quality controls at each stage, from initial tire shredding to final testing in their in-house lab, ensuring the highest standards of product quality and safety.
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Almost every tire design incorporates a steel cord to increase the tire strength and dynamic performance. In passenger and truck tires, steel content can vary between 10 and 18 per cent.

When a tire is deemed unsafe for road use, the end-of-life tire (ELT) can be repurposed into new valuable commodities. The ELT is a valuable resource due to the recovered steel’s high tensile strength.

The recovered steel can then be used in various applications with the production of new tire cords as the most popular. Circular manufacturing is made possible by using the recovered steel in the production of new tires.

Over 98 per cent of the steel is separated from the ELT during the shredding phase. The high-quality and high-tensile recovered steel is an acceptable and affordable new steel alternative with various applications.

  • Production of tire steel cord
  • Additive to carbon steel
  • Used in research and development

The recovered steel, ConWire®, that is produced by Contec comes from high-quality tire steel cord and bead-wire which has high-tensile strength properties.

Companies can achieve circular manufacturing by applying the recovered steel to new tires or in other applications.

At Contec, we use best-in-class industry shredder machines to remove over 98 per cent of the steel during rubber granulate production, which results in a more consistent and reliable pyrolysis performance. 

Additionally, proper steel separation increases the quality of the recovered Oil and makes the handling of rCB easier.