Here’s an interesting article on Goodyear’s program to source some of its silica requirements from rice husk ash. Not sure about this sentence, though: “Silica currently make up 15 per cent of each tyre Goodyear makes.” I doubt silica content reaches 15% by weight in an ultrahigh performance tire (more likely half of that), let alone every tire Goodyear turns out.
May 21, 2015
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