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| Customization: | Available |
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| Application: | Coffee Grinding |
| Grit Size: | From Coarse to Fine |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Ceramic grinding burr is the key functional part of the coffee grinder. How to find a suitable grinding burr? This ceramic flat burr is suitable for commercial or household electric coffee grinders. It is made of 99% alumina ceramics. The material has no coating, no heavy metals, no rust, and strong corrosion resistance.
The comparative properties of related materials are shown below, and can be produced according to your material requirements.
| Mechanical Property | Ceramic Material | |||
| 99.5% Al2O3 |
99% Al2O3 |
95% Al2O3 |
MgO.SiO2 (Steatite) |
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| Density (g/cm3) | ≥3.90 | ≥3.85 | ≥3.65 | ≥2.70 |
| Water absorption (%) | 0 | 0 | 0 | 0 |
| Hardness (HV) | 1700 | 1700 | 1500 | 800 |
| Flexural strength (Mpa) | ≥379 | ≥338 | ≥320 | ≥190 |
| Compressive strength ( Mpa) | ≥2240 | ≥2240 | ≥2000 | ≥551 |
| Fracture toughness (Mpam1/2) | 4-5 | 4-5 | 3-4 | - |
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