High-brightness pavement marking sheet material

E - Fixed Constructions – 01 – F

Patent

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94/13, 240/157

E01F 9/00 (2006.01) E01F 9/04 (2006.01) G02B 5/128 (2006.01)

Patent

CA 1243874

Abstract In a high-brightness pavement marking sheet material, a continuous pattern of a multiplicity of protuberances and depressions is formed on the surface of a base sheet made of rubber, synthetic resin or the like and that glass microspheres are embedded in these protuberances and depressions in such a manner that a depth of embedding of these glass microspheres in the base sheet from the surface is randomly different one from another and a majority of the glass microspheres in these protuberances and depressions are partially exposed from the surface of the base sheet. An excellent initial brightness is obtained and brightness at a high level is continuously maintained despite wear of the base sheet.

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