Standard Specification for
Glass Beads Used in Traffic Paints
AASHTO Designation: M 247-08
SCOPE
This specification covers glass beads to be dropped or sprayed upon pavement markings so as to produce a reflectorized pavement marking.
Types:
Type I-shall be known as a standard gradation.
Type IM-shall be known as modified gradation.
Type II-shall be known as a uniform gradation.
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