17/30353876 DC

Coatings, Optical properties of materials, Performance testing, Temporary, Colour, Classification systems, Retroreflective materials, Friction tests, Life (durability), Road marking, Permanent, Optical measurement, Roads, Testing conditions, Thermoplastic polymers, Reflective materials, Reflection, Performance, Colorimetry, Grades (quality), Beads, Anti-slip surfaces, Paints, Test equipment, Luminance