Item | Standard |
Specific gravity(g/cm3) | 2.4--2.6 |
Refractive index | ≥1.5 |
Spherical beads (%) | >70 |
The Sieve Analysis
Mesh (Micrometer) | Percent passing (%) |
600 | 100 |
425 | 90-100 |
300 | 50-70 |
180 | 0 – 5 |
a) Silane or silicon coated beads available;
b) BS, AS, EN and KS standars glass beads can be manufactured too.