| http://www.w3.org/ns/prov#value | - For end uses in which enhanced retroreflection is desired the brightness is more preferably at least about 60 candellas per lux per square meter and most preferably at leastabout 80 candellas per lux per square meterThe clear films are typically comprised of thermoplastic materials such as polyvinyl chloride or polyolefin.
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