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ASTM D7971-15
Standard Guide for Measuring Roundness of Glass Spheres Using a Flowing Stream Digital Image AnalyzerMore info
1.1 This guide covers the determination of the roundness of glass spheres used in pavement marking systems using a flowing stream digital analyzer. Typical gradations for pavement marking systems are defined in ranges from Type 0 through 5 in AASHTO M247.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 93.080.20 : Road construction materials |
| Number of pages | 4 |
| Set | ASTMVOL0602 |
| Year | 2015 |
| Document history | |
| Country | USA |
| Keyword | ASTM 7971;ASTM D7971;ASTM D7971;10.1520/D7971-15 |