... and retroreflective 2Enhance visiblity 3Excellent angularity and Chemical Resistance 4For traffic security Features1.Easy to apply2.Highly reflective and conspicuity performance ... minimum values for coefficient of retroreflection for seven years,5. Series 983-10, 983-32, 983-326 and 983-72 ... all FMVSS 108 requirements, including DOT-C2 Certification Mark. Series 983-10,983-71,983-72 have the E-mark ...