The Prism™ process can in part reverse sulfidic bridges in crumb rubber. This creates a thermoplastic rubber intermediate that can be used as:
Figuring out what to do with end of life tire material is a longstanding global problem. The rubber in tires is crosslinked (vulcanized), which means that the rubber is permanently cured into shape. It can’t be collected and melt processed. This gives tires durability, but it also makes it harder to reuse them.