NETZSCH-Beads®
GlassBeads
Glass Grinding Beads for wet grinding applications in the low to medium viscosity range
GlassBeads are bubble-free glass grinding media with a density of 2.5 kg/l. They are especially recommended for wet grinding applications in the low to medium viscosity range. This is also true for applications for which the use of high-quality zirconium oxide grinding beads is no real alternative due to the high costs.
Available standard qualities
| Type | Fraction [mm] |
|---|---|
| GlassBeads 0.5 | 0.4 - 0.6 |
| GlassBeads 0.6 | 0.5 - 0.75 |
| GlassBeads 0.9 | 0.75 - 1.0 |
| GlassBeads 1.2 | 1.0 - 1.3 |
| GlassBeads 1.5 | 1.25 - 1.65 |
| GlassBeads 1.7 | 1.55 - 1.85 |
| GlassBeads 1.9 | 1.7 - 2.1 |
Chemical composition
| about (in weight %) | |
|---|---|
| SiO2 | 72.5 |
| Na2O | 13 |
| CaO | 9 |
| MgO | 4 |
| Al2O3 | < 0.6 |
| Others | Rest |
Mechanical properties
| Densitiy | 2.5 kg/l |
| Bulk density | ~ 1.5 kg/l |
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