Commercial grade reflective vinyl, also called economical reflective, advertising grade reflective vinyl, is an economical option that meets MUTCD requirements & ASTM D 4956 specifications for Type I, Class 1. It\'s 3.5 mil, available in 6 colors and has up to 7 years durability. Commercial grade reflective vinyl,� also called� economical reflective,� advertising grade reflective vinyl,� is an economical option that meets MUTCD requirements & ASTM D 4956 specifications for Type I, Class 1. It\'s 3.5 mil, available in 6 colors and has up to 7 years durability. Lifetime: Generally, 3 to 7 years, depending on the manufacturer. Some manufacturers only provide 7-year retroreflective coatings, and the brightness retention after 7 years is at least 50% of the initial brightness value. Some manufacturers provide 5 years and 7 years of reflective film. DERFLEX provides five types of� advertising-grade reflective vinyl� for five years: PET, 5-year acrylic, and 7-year acrylic. Applicable base plate: Aluminum plate, steel plate. Operating temperature: General requirements at 18 �C ~ 28 �°C. If you have more interest in our� reflective vinyl material, please contact us freely.