Pu track material

Past IAAF standard test Spraycoat system Sand-wich system Full Pu system new kind of running track material Easy for constrcution on site . PU 1:2 TRACK MATERIAL Should be mixed on the living project .For example, 1KG red color paste, 2KG PU special binder This kind of PU material is for spray-coat system of athletic track and field . Dont need to add red dust ,just mixed with red ,0.5-1.5MM EPDM granule . PU 4:1 TRACK MATERIAL Should be mixed on the living project .For example, 4KG red color paste, 1KG PU special binder. This kind of PU material is for sanwich/full pu system of athletic track and field .