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| Customization: | Available |
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| Application: | Coffee Grinding |
| Grit Size: | From Coarse to Fine |
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Burr grinders are more consistent than blade grinders. This is important when it comes to coffee extraction. Thus we can see there are generally two types - conical burr coffee grinders and flat burr coffee grinders on the market. Most home grinders use conical burrs since they are cost effective.
We manufacture coffee grinding ceramic cores in 95%, 99% and 99.5% alumina. Alumina ceramic represents the most commonly utilized ceramic material in industry. Due to its extremely superior abrasion and chemical resistance, alumina has been widely used in makeing coffee grinder burrs.
| Mechanical Property | Ceramic Material | ||
| 99.5% Al2O3 |
99% Al2O3 |
95% Al2O3 |
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| Density (g/cm3) | ≥3.90 | ≥3.85 | ≥3.65 |
| Water absorption (%) | 0 | 0 | 0 |
| Hardness (HV) | 1700 | 1700 | 1500 |
| Flexural strength (Mpa) | ≥379 | ≥338 | ≥320 |
| Compressive strength ( Mpa) | ≥2240 | ≥2240 | ≥2000 |
| Fracture toughness (Mpam1/2) | 4-5 | 4-5 | 3-4 |
Specializing in the production of ceramic grinding burrs, Jinghui Industry Ltd has 15+ years of research and development production experience. Let us identify the best ceramic material for your grinder application.
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