Follow A Tire
About 1.5% of recycled tires in the US are used to help make products such as shoes, shims, gaskets, and blasting mats for covering rocks before dynamiting. Another way is by shredding or chipping tires. A single pass through a tire shredder produces strips 15 to 40 centimeters long.
Then there ground into mill to produce rubber crumb from 40 to 50 mesh size. Then there frozen with liquid nitrogen and shattered into three parts, rubber , steel, and fabric. Then it's used for highway paving and paving sealents.