Mixed plastic track

Plastic runway into the grass-roots base of cement concrete and asphalt concrete foundation. Flatness within three meters, the height difference is not greater than 3 mm, smooth passing rate greater than 90%, the inclination of 3 ‰ -8 ‰, other technical requirements, please refer to the secondary road pavement construction technical requirements. Cement concrete foundation, high strength, simple construction, but need a good waterproof and joints. Asphalt concrete foundation, shrinkage is small, good crack resistance, water resistance, high softening point asphalt, less prone to the phenomenon of anti-oil. Plastic track surface materials mainly for polyurethane (PU) plastic and EPDM (EPDM) rubber, which has the advantage: good elasticity, followed by strong, wear-resistant, acid, anti-aging, weather, environmental protection, flame retardant , dust, sterile, no seams, cleaning, maintenance is simple, bright colors, help to beautify the environment and improve students' interest in participating in sports.