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Industry and lab groups report several promising routes to reduce or replace 6PPD in tires
Summary
Presenters from Flexus, Lanxis, Faradayne and others described non‑PPD chemistries, CCPD testing, graphene additives, and candidate molecules that aim to preserve tire performance while reducing aquatic toxicity; several groups said data release will follow IP protection and further testing.
Multiple industry and laboratory presenters described alternative approaches to reduce or eliminate 6PPD and its quinone transformation products from tire wear.
Neil Smith of Flexus said the company has ideated and synthesized thousands of candidate molecules and, after multi‑year testing, has a small set that meet internal performance, environmental, and mammalian toxicity criteria. Flexus intends to secure intellectual‑property protection before releasing full datasets but committed to data sharing after IP is in place.
Audrey Bethune of Lanxis presented GLP environmental fate and…
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