... 4.Thickness: 9mm/13mm,optional 5.ISO, OHSAS Breathe Freely Rubber Running TrackCompany: Nanjing Olympic Sports Facilities ... polyurethane adhesiveTop surface: EPDM granules + polyurethane adhesiveFeatures of breathe freely running track:1,All-weather available.2,Excellent ... ,OHSAS,SGS test report---------------------------------------------------Jackie Chen... Breathe Freely Rubber Running Track