... , yellow, red, green, blue, orange, brown, black 1) Certification: EN12899, ASTM, SANS (YSL7200)2) Coefficient of retroreflection>=80cd/lx.sqm3) Service ... road and industrrial safety signs, can work under tough weather conditions.YSL5100-road traffic signs, industrial safety signs, advertisement signs. Engineering Grade Reflective Sheeting