This practice describes measuring size and roundness of translucent glass beads used in traffic markings with computerized optical equipment. This practice is intended for glass beads from 0.15 mm to 2.35 mm in diameter.
AASHTO PP 74-12
Original price was: $50.00.$25.00Current price is: $25.00.
Standard Practice for Determination of Size and Roundness of Glass Beads Used in Traffic Markings by Means of Computerized Optical Method
American Association of State Highway and Transportation Officials , 2012
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