Type VIII Crystal Grade
Crystal Grade is "Super High Intensity" microprismatic sheeting, meeting the requirements of ASTM D 4956, Type VIII. Crystal Grade has the highest retro-reflectivity characteristics at long and medium road distances. This product is ideal for highway signing, construction zone devices, and delineators. Also introducing, the fluorescent colors orange and yellow green, that have improved visibility in both day and night time conditions, ideal for construction, pedestrian, and school zone sign applications.
Crystal Grade is a retro-reflective sheeting that uses the principle of the retroreflection of micro-prisms. In the case of a prism-type reflection element, the light reflects efficiently without diminishing, as the three reflection planes that constitute the element and are positioned at right angles in relation to each other, completely reflect within the element. As the specialty prisms designed to provide optimum reflection are densely arranged within the sheeting, excellent brightness characteristics and wide-angle reflection can be obtained. The traffic signs and traffic safety devices made of the reflective sheeting provide far better visibility and withstand a longer service period compared with those that utilize glass beads.
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