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Retroreflective sheeting for road signs is categorized by construction and performance specified by technical standards such as ASTM D4956-11a.; [4] various types give differing levels of retroreflection, effective view angles, and lifespan. [5] Sheeting has replaced button copy as the predominant type of retroreflector used in roadway signs.
Retroglo is a reflective yarn designed to increase nighttime safety. It is made of 3M Scotchlite Reflective Material and laminated to a polyester film for added strength. . Retroglo is used for a wide variety of applications including high-visibility clothing for joggers, walkers, bicycle riders, and highway w
3M launched "Press 'n Peel" a sticky bookmark page holder in stores in four cities in 1977, but the results were disappointing. [36] [37] A year later 3M instead issued free samples of it as a sticky note directly to consumers in Boise, Idaho, with 95% of those who tried them indicating they would buy the product. [36]
A set of three mutually perpendicular reflective surfaces, placed to form the internal corner of a cube, work as a retroreflector. The three corresponding normal vectors of the corner's sides form a basis (x, y, z) in which to represent the direction of an arbitrary incoming ray, [a, b, c].
Fabrics in this list include fabrics that are woven, braided or knitted from textile fibres. A. Aertex; Alençon lace; Antique satin; Argentan lace ...
The word is a portmanteau of the words thin and insulate, trademarked by 3M. [1] The material is made by the 3M Corporation and was first sold in 1979. [2] It was originally marketed as an inexpensive alternative to down; at the time, 3M claimed it was twice as warm as an equivalent amount of any natural material. [3] [4]