Coal Age

DEC 2017

Coal Age Magazine - For more than 100 years, Coal Age has been the magazine that readers can trust for guidance and insight on this important industry.

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32 www.coalage.com December 2017 refuge alternatives continued After the tests, water droplets covered the roofs and walls of all the refuge alter- natives, and the floors of all the refuge alternatives had puddles of water in low spots. For the tent-type units tested as part of this research, the support tubes around the bottom of the refuge alternative formed a trough between the wall and the floor, which was filled with water that had condensed on the walls before running down to the trough. These accumulations of moisture show that the conditions in- side an occupied refuge alternative would be very humid. Thermal Simulations Ideally, refuge alternative heat and humid- ity testing would be conducted across a Thermal simulation results of a 10-person training unit tent-type refuge alternative using models of simulated miners. Temperatures are indicated by color, with blue indicating the lowest temperatures and red indicating the highest temperatures. COMPANY PROFILE-PAID ADVERTISEMENT Since 1978, Polydeck Screen Corporation has been the leading provider of modular screen - ing solutions for the aggregate, coal, and mining industries. Their extensive selection of screen media, frame systems, and accessories has helped companies save time, increase production output, extend screen service life and improve worker safety. Their screen media product lines include: Polydex ® – Modular polyurethane screen media in 1' x 1' and 1' x 2' sizes that feature the most extensive range of opening sizes, shapes and configurations available today. Since all polyurethane screen panels are made with a high quality injection molding process, surface features like dams and restricted flow bars are an integral part of the panel, not a glued or bolted on option. Rubberdex ® – Modular rubber screen media in 1' X 2' sizes that are available in several material compounds for flexibility or stiffness, microbial resistance or high temperature applications. Rubberdex ® panels are also injection molded under extreme high pressure to ensure homogeneous construction for optimum performance. Armadex™ – Bolt-down rubber solutions for the most abrasive, abusive scalping appli- cations. Armadex™ products incorporate a proprietary injection molding process to pro- vide extended wear life that outperform existing competitive options. Fully customizable in sizes up to 48" x 96" and 52" x 96" and up to 4" thick. Metaldex™ XPT – Modular welded wire sections with pin-style polyurethane borders for use on Polydeck's PipeTop II™ stringer system. Metaldex™ Pro – Modular profile wire sections in 1' x 2' and 1' x 4' pin-style sections for use on Polydeck's PipeTop II™ stringer system or as 2' x 2' PolyRail™ for channel stringers. All Polydeck screening solutions are accomplished through a philosophy of partnering with their customers to develop products and solutions that exceed the performance, durability and productivity of existing industry options while maintaining the highest standards of quality and customer service. And, as always, Polydeck screening solutions are backed by the most comprehensive Performance Guarantee in the industry. Polydeck Screen Corporation

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