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[–] 1 point 7 months ago

Correct, it's all been synthetic for a long, long time. And for what that's worth, even if there were enough sources of natural latex in the world to support the global tire industry, we'd still have problems. In both cases, polymers are stabilized with sulfur in a process called vulcanization. I'm mostly sure that's why tires don't decompose under natural conditions.

People are working on it though: https://pmc.ncbi.nlm.nih.gov/articles/PMC11041115/

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