... reflectivity Service life:7 years Acrylic Screen Printable Reflective Sheeting1.Available color: white, yellow, red, green, blue, orange, ... 01---0.10Coefficient of retro-reflection Observation AngleEntranceAngle White Yellow Red Green Blue0.2 -4 15 ... bumper stickers, vehicle conspicuity marking tape,traffic signage, reflective crashworthy barrel, temporary work signs,industrial safety sign, ...