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71mm ST+Color Zirconia Blocks
HaHasmile
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HaHasmile® is a brand for selling dental materials, we are direct manufacturer for more than 10 years to sell zirconia blocks, PMMA blocks, Milling Burs, Grinding tools and other consumable materials experience, our dental materials have very high quality and our zirconia blocks monthly output 60000pcs. We can provide very stable and fast delivery.
ST+Color Zirconia Blocks Product Description
Shape | 98mm/95mm/71mm |
Size | 10mm/12mm/14mm/16mm/18mm/20mm/22mm/25mm/30mm |
| Color | A1/A2/A3/A3.5/A4/B1/B2/B3/B4/C1/C2/C3/C4/D2/D3/D4 |
Features:
Super Translucency;
For Inlay, Onlay, Posterior Crown, Full contour bridges;
Balancing the strength and transparency of the zirconia;
No need coloring, Vita 16 Shades;
Bending Strength Mpa 1000MPA;
Translucency: 42%;
Indications:
Coping, Coping bridge, full arch coping bridge, custom abutment, abutment screw retained bridge, inlay, onlay, posterior crown, posterior crown bridge.
HaHasmile® ST+Color zirconia blocks are produced by CIP technology and pre-sintered in low temperature. Although the product has some strength, because of porosity, please handle carefully.
Chemical Composition
| Components | ST+Color Zirconia blocks |
| Nanometer zirconia powder | ≥98% |
| CeO₂ | ＜0.5% |
| Fe2O3 | ＜0.5% |
| Er2O3 | ＜0.5% |
| Other Oxides | ＜0.5% |
Mechanical Property
| Sintered Density g/cm³ | >6.02g/cm³ |
| Bending Strength Mpa | 1000Mpa |
| Translucency | 42% |
| Hardness(Hv10) | 1250MPa |
| Sintered temperature(°C) | 1530°C |
| Radioactivity Bq.g-1 | <0.1 |
| Cytotoxicity | Level0 |
ST+ White Zirconia Blocks (1-3 units bridge) 7hours
Start temp | Heating rate | Maximum temp | Holding time | Heating rate | Maximum temp | Holding time | Cooling rate | Cooling to |
20℃ | 10℃/min | 900℃ | 20min | 5℃/min | 1530℃ | 120min | 10℃/min | 300℃ |
ST+ White Zirconia Blocks (4-6 units bridge) 10hours
Start temp | Heating rate | Maximum temp | Holding time | Heating rate | Maximum temp | Holding time | Cooling rate | Cooling to |
20℃ | 5℃/min | 900℃ | 30min | 3℃/min | 1530℃ | 120min | 8℃/min | 300℃ |
ST+ White Zirconia Blocks (above 7 units bridge) 15hours
Start temp | Heating rate | Maximum temp | Holding time | Heating rate | Maximum temp | Holding time | Cooling rate | Cooling to | Cooling rate | Cooling to |
20℃ | 4℃/min | 900℃ | 20min | 2℃/min | 1530℃ | 120min | 3℃/min | 900℃ | 7℃/min | 200℃ |
