Recovered Carbon Black (rCB)
A $0.4 billion market from end-of-life tire pyrolysis, growing as Michelin and Bridgestone adopt ISCC-certified rCB in production compounds.
Sustainability & Circular Economy
Recycled & Bio-Based Material Integration
Compound portfolio screening, supply chain validation, and reformulation protocol design for recovered carbon black, bio-based rubber, recycled cord and sustainable process oils.
$0.4B
rCB Market
Recovered carbon black market from end-of-life tire pyrolysis
$0.5B
Recycled Cord Segment
Recycled polyester tire cord market, growing with brand recycled-content commitments
4
Input Categories
rCB, bio-based rubber, recycled reinforcement, and bio-based process oils
4
Integration Workstreams
Portfolio screening, supply chain validation, reformulation, and reporting integration
From Experimental Proposition to Commercial Mainstream
The integration of recycled and bio-based materials into tire compounds is accelerating from an experimental proposition toward commercial mainstream. Driven by EU Green Deal mandates, OEM sustainability procurement requirements that cascade directly to tire suppliers, investor ESG pressure on Scope 3 emissions, and the need to demonstrate credible progress against Science-Based Targets, tire manufacturers across all tiers are now actively evaluating which sustainable material substitutions are technically feasible, commercially viable and regulatory-compliant for their specific compound portfolios and production processes.
Four Categories of Sustainable Materials
The sustainable material landscape for tire compounds covers four distinct input categories. The first is recovered carbon black (rCB) from end-of-life tire pyrolysis - a $0.4 billion market growing as Michelin and Bridgestone adopt ISCC-certified rCB in production compounds, and as independent operators including Pyrum Innovations, Delta-Energy and Bolder Industries build commercial-scale supply. The second category is bio-based rubber - alternatives to petroleum-derived synthetic rubbers including dandelion rubber (Continental's Taraxagum project, commercially scaling), guayule rubber (Bridgestone research program in Arizona), and synthetic rubber produced from bio-ethanol or biomass feedstocks by companies including Arlanxeo, Zeon and Lanxess. The third category is recycled polymer materials for reinforcement - notably recycled polyester tire cord manufactured from post-consumer PET bottles, already incorporated in Goodyear's EDS tire concept, and an estimated $0.5 billion segment growing with brand commitments to recycled content. The fourth category is bio-based and sustainable process oils - TDAE, MES and RAE process oils compliant with EU PAH restrictions already represent a partial sustainability improvement over legacy aromatic process oils, and fully bio-based process oils are in advanced development as a further substitution step.
Bio-Based Rubber
Dandelion rubber (Continental's Taraxagum), guayule rubber (Bridgestone's Arizona program), and bio-ethanol/biomass synthetic rubber from Arlanxeo, Zeon and Lanxess.
Recycled Reinforcement
Recycled polyester tire cord from post-consumer PET bottles, already used in Goodyear's EDS concept - an estimated $0.5 billion segment.
Bio-Based Process Oils
EU PAH-compliant TDAE, MES and RAE oils, with fully bio-based process oils in advanced development.
Our Four-Workstream Integration Approach
Radial Insights structures recycled and bio-based material integration engagements around four sequential workstreams. First, portfolio screening: a systematic review of your entire compound portfolio to identify which positions - tread, sidewall, inner liner, belt coat, bead area - have the highest substitution potential for sustainable materials without compromising critical-to-quality performance parameters or safety certification compliance. Second, supply chain validation: for each priority substitution, mapping the available supply chain - technology providers, material suppliers, quality certification status (ISCC, REACH compliance, GPSNR certification), supply volumes and pricing - to establish whether the material substitution is commercially executable at your production scale. Third, compound reformulation and testing protocol design: developing the reformulation approach, the laboratory and field testing schedule, and the IATF 16949 change management process for introducing new material inputs. Fourth, sustainability reporting integration: quantifying the carbon intensity reduction, recycled content percentage, and bio-based content metrics associated with each substitution, structured to the reporting frameworks (GRI, CSRD, EPD) your stakeholders require.
Portfolio Screening
Systematic review of your compound portfolio to identify tread, sidewall, inner liner, belt coat and bead area positions with the highest substitution potential.
Supply Chain Validation
Mapping technology providers, material suppliers, certification status and supply volumes to confirm commercial executability at your production scale.
Reformulation & Testing Protocol
Reformulation approach, laboratory and field testing schedule, and IATF 16949 change management process design.
Sustainability Reporting Integration
Quantifying carbon intensity reduction, recycled content and bio-based content metrics structured to GRI, CSRD and EPD frameworks.
Ready to Integrate Sustainable Materials?
Our Sustainability and Circular Economy team brings compound reformulation expertise and supply chain validation to every material integration engagement.
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