Quick Takeaways
  • Sumitomo Rubber Cabot recycled carbon black marks a key step toward sustainable tire materials.
  • The agreement focuses on commercializing resource circulation carbon black for mass production tires.
Sumitomo Rubber Industries announced that it has signed a basic agreement with Cabot Corporation to commercialize resource circulation-type reinforcing carbon black. The collaboration aims to accelerate the adoption of recycled carbon materials in tire manufacturing while maintaining performance standards.
The Sumitomo Rubber Cabot recycled carbon black initiative centers on joint studies focused on evaluating recycled carbon for use in mass production tires. Both companies will assess technical performance, production scalability, and compatibility with existing tire manufacturing processes.
Focus on Resource Circulation Carbon Black
Cabot is a global manufacturer of specialty chemical products and functional materials, including carbon black used in automotive and industrial applications. Under this agreement, Cabot will provide its resource circulation-type reinforcing carbon black for evaluation by Sumitomo Rubber across relevant tire applications.
Key objectives of the collaboration include:
  • Validating reinforcing performance of recycled carbon black
  • Assessing durability and safety for mass production tires
  • Supporting sustainability goals without compromising tire quality

Evaluation for Mass Production Tire Applications
Sumitomo Rubber will implement detailed evaluations to determine how Cabot’s recycled carbon black can be adopted into its tire production. These assessments are expected to focus on real-world manufacturing feasibility, performance consistency, and long-term reliability.
The partnership reflects a broader industry shift toward sustainable tire materials, where recycled carbon black is increasingly viewed as a viable alternative to conventional reinforcing materials. By pursuing commercialization through joint studies, both companies are positioning themselves to support circular economy initiatives within the global tire industry.
As the automotive sector continues to prioritize sustainability, the Sumitomo Rubber Cabot recycled carbon black agreement highlights growing momentum toward resource-efficient manufacturing and environmentally responsible material innovation.
Company Press Release

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