Recycled Rubber User Guide

Glossary of Terms and Acronyms Tire Industry Project (TIP) Comprised of 11 leading tire companies, the primary global forum for the tire industry on sustainability issues. TIP serves as a voluntary, CEO-led initiative representing 65 percent of the world’s tire manufacturing capacity. Its aim is to proactively identify and address the potential human health and environmental impacts associated with the life cycle impacts of tires to contribute to a more sustainable future. Tire Processor A permitted individual or business that processes tires by shredding, chipping, grinding, cutting, cryogenically crushing, chemical alteration or other means, thereby producing a material that is readily suitable for marketing into product manufacturing, energy recovery, or other beneficial reuse markets. Tire Recycling The series of activities by which take-off tires are collected, sorted, processed, and converted into raw materials and used in the production of new products (e.g., rubberized asphalt). Tire Retreader Replaces the tread on a worn tire (casing) so that that it can continue to be used as a tire. Tire and Road Wear Particles (TRWP) Tiny debris produced when tires are used on the road. Generated by friction between tires and the road surface. TRWP are a mixture of tire tread material and road pavement material. Tire Shredder A mechanical device used to reduce tire materials into smaller pieces. The pieces are usually irregularly shaped. Tire Shred A term used to define randomly ripped, torn, or cut tire pieces which have no uniformity. A tire that is processed with no size requirement other than to render it no longer a whole tire. Transporter A person or entity responsible for the transport of take-off tires, scrap tires or tire material. Tread The tread is the portion of the tire that comes in contact with the road surface. The tread’s compound and its design must balance wear, traction, handling, fuel economy, resistance, and other characteristics of the tire. Tread designs vary greatly.

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