traffic anti-bump road barrier 1) Diameter: 900mm Height: 920mm 2) impact strength: ... 3) tensile strength:16.44Mpa reflection safe anti-bump road barrier 1.Form one-time,heat-resistant,cold-resistant,shock ... the highway exit and crossroads,toll stations,gas stations,clear warning for the drivers,cab reduce the harm in the ... .44Mpa7.Elongation at Rupture:264% reflection plastic anti-bump road barrier