BS 6088A
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
80
The Sieve Analysis
Diameter (μm) Standard Retain (%)
850 0-5
600 850 5 20
300 600 30 75
180 300 10 30