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2. Rubber mulch - Wikipedia

   en.wikipedia.org/wiki/Rubber_mulch

   Rubber mulch typically consists of waste tire bits or nuggets of synthetic rubber obtained from tires that have been shredded or ground up whole, with their steel bands removed. This process can involve the use of various types of tires, including those from passenger vehicles, large trucks, and trailers. The resulting rubber mulch bits or ...

3. Crumb rubber - Wikipedia

   en.wikipedia.org/wiki/Crumb_rubber

   The particles are sized and classified based on various criteria including color (black only or black and white). The granulate is sized by passing through a screen, the size based on a dimension (1/4 inch) or mesh (holes per inch : 10, 20, etc.). Crumb rubber is often used in artificial turf as cushioning.

4. Artificial turf–cancer hypothesis - Wikipedia

   en.wikipedia.org/wiki/Artificial_turf–cancer...

   The crumb rubber infill of artificial turf fields contains or emits chemicals that can affect human physiology." [ 7 ] In 2020, the European Risk Assessment Study on Synthetic Turf Rubber Infill was completed; published in Science of the Total Environment , this was a scientific study funded by companies and industry association from the tyre ...

5. Mulch - Wikipedia

   en.wikipedia.org/wiki/Mulch

   Rubber mulch nuggets in a playground. The white fibers are nylon cords, which are present in the tires from which the mulch is made. Shredded wood used as mulch. This type of mulch is frequently dyed for aesthetic reasons. Pine needles used as mulch. Also called "pinestraw" in the southern US.

6. Playground surfacing - Wikipedia

   en.wikipedia.org/wiki/Playground_surfacing

   Poured rubber surfacing: This is a seamless rubber surface composed of two layers that is poured in place (PIP). The first layer, or "wear layer", is typically 3 ⁄ 8 inch (9.5 mm) thick and made of EPDM or TPV granules. The second layer, or "cushion layer", is 1–5 inches (25–127 mm) thick and made of crumb rubber or recycled rubber tires.

7. Rubberized asphalt - Wikipedia

   en.wikipedia.org/wiki/Rubberized_asphalt

   Rubberized asphalt concrete (RAC), also known as asphalt rubber or just rubberized asphalt, is noise reducing pavement material that consists of regular asphalt concrete mixed with crumb rubber made from recycled tires. Asphalt rubber is the largest single market for ground rubber in the United States, consuming an estimated 220,000,000 pounds ...