... yellow, red, green,blue, orange, brown. 1) Certification: EN12899, ASTM, SANS2) Coefficient of retroreflection: >= 300cd/lx.sqm3) ... : YSL1200-highway and airport runway signs, retro-reflective marking for cars, trucks, buses and other vehiclesYSL1100 ... traffic signs of construction site, retro-reflective marking for cars, trucks, ships and other vehicles. High Intensity Grade Reflective Sheeting