Complaint
-- In the production of glass granules, soda-lime glass is crushed and pre-sifted.
-- The crushed glass is then shaped into beads by means of a heat stream in a furnace.
-- Glass beads are a mineral blasting medium.
Physical Properties:
| Hardness | 6-7 mohs |
| Grain shape | round |
| Color | Colorless/transparent |
| Melting point | approx. 1200oC |
| Specific gravity | approx. 2.60g/cm3 |
| Bulk density(up to granular size) | approx. 1.60g/cm3 |
| Sizes(mesh) | 20-40, 40-60, 60-120,120-325 |
| SiO2 content(%) | >70 |
| Roundness(%) | >80 |
| Refractive index | >1.5 |
Applications:
-- Reusable abrasive
-- Polishing
-- Compacting
-- Weighting
-- Blast-cleaning
-- Road marking
