ASTM D7971-20
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.
Product Details
- Published:
- 06/01/2020
- Number of Pages:
- 4
- File Size:
- 1 file , 120 KB
- Redline File Size:
- 2 files , 260 KB