Physics and chemistry function
Item Standard
Specific gravity(g/cm3): 2.4--2.6
Refractive index:=1.5
Spherical beads (%) :>70
The Sieve Analysis
Diameter (µm) Standard Retain (%)
>1180 0-3
1180--850 5--20
850--425 65--95
<425 0--10
BS 6088A glass beads for road making
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