ASTM D4956 Type 1 Reflective Tape is the first retro reflective tape created and remains the most popular. Its use for highway signs has been phased out over time by brighter prismatic films. However, EG has found extensive use in the graphics industry. Basic engineer grade is thin, made in a single layer, flexible, and moderately conformable. It is available in more colors than other reflective film, with the exception of “Flexible Engineer Grade”. EG comes in solid colors, as well as striped in white/red and white/orange for barricade tape.
Type 1 is produced by different manufacturers. The specifications sheet on this page is from Nikkalite. Others will have similar photo-metrics.
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Steven Cole (Economics, MBA – University of West Florida , Business & Innovation – Stanford University) 25 years of experience in the reflective safety business. Specializing in vehicle accident and rear end collision reduction through increased visibility.