// CT-50
Finally – a Solution for Sustainable Outsoles
Historically, footwear outsoles have had limited sustainability. Virgin rubber is petrol-based and outsoles cannot be recycled or easily repurposed. With Trederra CT-50, these limitations are lifted.
Sustainable Enough to Make a Difference, Durable Enough to Make an Outsole
CT-50 recycled rubber powder takes on the durability required by a shoe without compromising performance or comfort – and outsoles using CT-50 have been wear-tested and validated to deliver on your and your customers’ expectations for performance. Plus, the masterbatch using CT-50 recycled rubber provides oil-resistance and abrasion-resistance, making it a great option for work boots and other industrial footwear.
From Used Tire to High-Quality Outsole Material
CT-50 is made using a combination of end-of-life tires and high-quality rubber polymers.
End-of-life tires are sorted, separated, and partially devulcanized using a patented water jet system that uses recycled water instead of chemicals.
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Once the tread is broken down into a fine crumb, it is compounded with other materials, including traditional polymers, before being extruded into sheets of high-quality, durable rubber material. There are no chemical treatments in the CT-50 powder.
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These sheets are then delivered to your manufacturing facility, where they can be seamlessly integrated into your existing outsole production process. The material’s physical properties meet your brand’s specific requirements, including for RSL.
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The rest of the tire not applied to the outsole material can then be used for other products such as roof shingles, asphalt, and even other tires, further preventing waste.
Making Rubber More Sustainable
558
One ton of Trederra masterbatch helps redirect 558* end-of-life tires out of landfills.
*Based on average end-of-life tire weight of 7.5 kg and an average end-of-life tire tread percentage of 16%.
27.4%
The patented water jet process using end-of-life tires in the production of one ton of Trederra masterbatch contributes to a reduction of CO2 output by 27.4%** when compared to producing traditional masterbatch made with virgin styrene-butadiene rubber (SBR).
**Based on a third-party study of CO2 outputs resulting from Trederra’s production of traditional masterbatch made with rubber from end-of-life tires as compared to industry standard CO2 outputs for production of rubber made from virgin SBR, on average, during 2023.
1,148kg
Production of one ton of Trederra masterbatch reduces CO2 output by 1,148kg*** when compared to the production of traditional masterbatch made with virgin SBR.
***Based on a third-party study of CO2 outputs resulting from Trederra’s production of traditional masterbatch made with rubber from end-of-life tires as compared to industry standard CO2 outputs for production of rubber made from virgin SBR, on average, during 2023.
Feedstock: CT-50 Masterbatch – End-of-life tires + traditional rubber polymers
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