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RIMAX BEADS (ceramic grinding beads)
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ZRS Beads |
ZRC Beads |
ZRY Beads |
The Rimax ceramic grinding bead is produced from specially formulated zirconium silicate, using a carefully controlled dripping technique followed by high temperature and surface conditioning.
The unique combination of the Rimax''s composition, manufacturing process, and surface conditioning yields greater wear resistance, resulting in low contamination and improved cost effectiveness.
Primary Features:
- High density
The Rimax bead’s high density (typically 4.0 gm/cm³) ensures superior milling efficiency, particularly in medium and high viscosity formulations, improving throughput rates and allowing fewer passes.
- Conditioned, Shiny Surface
Rimax beads are preconditioned. The smooth shiny surface of the bead provides reduced mill and media when grinding hard materials.
- Fully Solid, Spherical Shape
The Rimax bead has a fully solid, spherical shape, and does not contain air pockets or round surface satellites. Rimax beads do not break during the milling process. The user benefits from reduced cleaning time and the prevention of clogging. The bead’s high sphericity also contributes to decrease mill and media wear.
- Uniform Size
The unique dripping process the Rimax beads in a very narrow range of sizes(0.2mm), eliminating any undersized beads that would require separation. This precise sizing guarantees good flowability of the slurry increases media life.
- Chemical Composition (%)
| ZrO2 |
58% |
| SiO2 |
37% |
| Others |
5% |
- Physical Properties (typical):
| Bead density (gr/cm) |
min 4.0 |
| Bulk density (kg/l) |
2.4 |
| Surface |
Shiny |
| Dye penetration |
none |
| Crushing strength (kg/bead Ø1.8) |
80 |
| Hardness Vickers (kg/mm_) load 10 kg |
800 |
- Main Features
• High density for finer dispersions in less time
• Smooth surface for longer media life, less mill
• Component wear, reduced downtime for cleaning.
Sizes Available Ø(mm) |
2.5 – 2.8 |
2.4 - 2.6 |
2.2 – 2.4 |
2.0 – 2.2 |
1.8 – 2.0 |
1.6 – 1.8 |
1.4 – 1.6 |
1.2 –1.4 |
1.0 –1.2 |
0.8 – 1.0 |
0.6 – 0.8 |
Dynabeads ZRY
| Chemical Composition |
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| Colour |
Pearl White |
| Specific Gravity gm/cc |
6.0 |
| Bulk Density kg/ltr |
3.5 |
| Moh's Hardness |
9 |
| Vicker Hardness (Hv 10) |
1300 |
| Crushing Load KN |
2.5 |
| Sphericity |
>0.98 |
| Wear Rate (15Hrs milling) |
0.034 |
| Beads Fraction Size Ømm |
0.005, 0.1, 0.2, 0.3, 0.4, 0.5, 0.65, 0.8,
1, 1.25, 1.5, 1.75, 2, 2.3, 2.7, 3.5, 10, 15, 20, 25 |
Dynabeads ZRC
| Chemical Composition |
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| Colour |
Golden Brown |
| Specific Gravity gm/cc |
6.1 |
| Bulk Density kg/ltr |
3.6 - 3.7 |
| Moh's Hardness |
9 |
| Vicker Hardness (Hv 10) |
1200 |
| Crushing Load KN |
2.0 |
| Sphericity |
0.96 |
| Wear Rate (15Hrs milling) |
0.054 |
| Beads Fraction Size Ømm |
0.4 - 0.7; 0.7 - 1.2; 1.2 - 1.7;
1.7 - 2.4; 2.4 - 2.8; 2.8 - 3.35 |
Dynabeads ZRS
| Chemical Composition |
| Zr O2 |
58% |
| Si O2 |
37% |
| Others |
5% |
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| Colour |
White |
| Specific Gravity gm/cc |
4.0 |
| Bulk Density kg/ltr |
2.4 |
| Moh's Hardness |
7+ |
| Vicker Hardness (Hv 10) |
800 |
| Crushing Load KN |
0.8 |
| Sphericity |
0.95 |
| Wear Rate (15Hrs milling) |
0.383 |
| Beads Fraction Size Ømm |
0.6 - 0.8; 0.8 - 1.0; 1.0 - 1.2; 1.2 - 1.4;
1.4 - 1.6; 1.6 - 1.8; 1.8 - 2.0; 2.0 - 2.2;
2.2 - 2.4; 2.4 - 2.6; 2.6 - 2.8 |
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Rimax
