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  2. Crumb rubber - Wikipedia

    en.wikipedia.org/wiki/Crumb_rubber

    Rubberized asphalt is the largest market for crumb rubber in the United States, consuming an estimated 220 million pounds (100 kt), or approximately 12 million tires annually. [2] Crumb rubber is also used as ground cover under playground equipment, and as a surface material for running tracks and athletic fields. [2]

  3. 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 ...

  4. 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.

  5. Akron aims to bounce back, using its rubber and plastics ...

    www.aol.com/akron-aims-bounce-back-using...

    The iconic rubber worker statue is seen in the pre-dawn light in downtown Akron. Could the city be the rubber capital of the world again?

  6. How much does the new Rupp Arena court cost? And what ... - AOL

    www.aol.com/news/much-does-rupp-arena-court...

    The new Rupp Arena court will specifically be made of Northern Hard Maple from Wisconsin and the Upper Peninsula of Michigan, and the portable surface includes 232 panels that can be removed when ...

  7. Access mat - Wikipedia

    en.wikipedia.org/wiki/Access_mat

    The rubber crumb recycled from scrap tires is a primary petroleum based material. Depending on the site soil conditions, there are various thicknesses of mats that can be manufactured. The base material of the rubber mat is crumb rubber, urethane , and fibre from recycled motor vehicle tires .

  8. Road surface - Wikipedia

    en.wikipedia.org/wiki/Road_surface

    In the mid-1960s, rubberized asphalt was used for the first time, mixing crumb rubber from used tires with asphalt. [20] While a potential use for tires that would otherwise fill landfills and present a fire hazard, rubberized asphalt has shown greater incidence of wear in freeze-thaw cycles in temperate zones because of the non-homogeneous ...

  9. Curta - Wikipedia

    en.wikipedia.org/wiki/Curta

    A partially disassembled Curta calculator, showing the digit slides and the stepped drum behind them Curta Type I calculator, top view Curta Type I calculator, bottom view. The Curta is a hand-held mechanical calculator designed by Curt Herzstark. [1] It is known for its extremely compact design: a small cylinder that fits in the palm of the hand.