Rubber Running Track system made from synthetic and natural rubber compounds,providing runners with the highest levels of surface performance for competition and cushioning for safe training.All of our products have been developed to minimize musculoskeletal stress and fatigue,reducing the probabilit of injuries and accidents.Adopt close-cell micro-bubbling and continuous vulcanization technology, makes it incredible elasticity and duration.Thickness5mm~14mmWidth1.22mLength15m,20m,30m/rollColorRed,Green,Blue or moreTwo-layer Structure:· Upper layer-------EPDM synthetic rubber vulcanization of the further strengthening of the materials of polymer,the good performance of aging resistance,weather resistance,electrical insulation,corrosion resistance,impact resistance etc.· Bottom layer------Natural rubber has excellent properties of high elastic,insulation,waterproof,low specific gravity,after appropriate treatment with alkali,heat,cold,pressure.......url:http://www.huadongtracks.com