Running Track, Stadium Seating, Tent Flooring manufacturer / supplier in China, offering PU EPDM SBR Sandwich System Running Track Meets Both Iaaf Accreditation and UK Athletics Which Are The Governing Bodies Running Track, The Two Layer Sandwich System Running Track Consists of SBR Base Rubber Crumb Material Mixed Onsite with Polyurethane Binder and EPDM Rubberized Running Track, The Sealer Creates a Thixotropic Effect That Seamlessly Binds The Track Into a Single Layer and Eliminates The Need for a Rubber Dust Application Running Track. and so on.