... or to be printed.b. be used to display in the dark: ship, vehicle, subway, passage, fire protectionc. ... entertainment places, public places, etc.secifications and indicators of photoluminescent filmspecificationscolorglow in the darkbrightness(mcd/m2)10minbrightness(mcd/m2)60minPET ... , cold-resistant, heat-resistant, good salt tolerance and waterproof photoluminescent film/glow in the dark plastic film