AASHTO PP 74-19
- Standard Practice for Determination of Size and Shape of Glass Beads Used in Traffic Markings by Means of Computerized Optical M
- standard by American Association of State and Highway Transporta
- Category: AASHTO
$89.00
$45.00
AASHTO PP 74-19 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.
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