| Customization: | Available |
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| Application: | Pepper / Salt / Spice Grinders |
| Grit Size: | Adjustable Grinding Fineness |
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We have been making extensive ceramic pepper mill parts. They are made of 95% alumina or steatite ceramics. Both ceramic raw materials are technical ceramics which are common in the field of advanced ceramics. Due to their features like hardness, wear resistance and free of any hazardous substances, alumina and steatite have been widely used in pepper, spice, herb, and salt grinders, especially in disposable grinders because of the cost issue.
The product you are browsing is made of steatite. Steatite has superb performances in wear resistance, corrosion resistance and environmental protection. It is a lower-cost material than alumina.
| Mechanical Property | Ceramic Material | |
| MgO.SiO2 (Steatite) |
95% Al2O3 |
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| Density (g/cm3) | ≥2.70 | ≥3.65 |
| Water absorption (%) | 0 | 0 |
| Hardness (HV) | 800 | 1500 |
| Flexural strength (Mpa) | ≥190 | ≥320 |
| Compressive strength ( Mpa) | ≥551 | ≥2000 |
| Fracture toughness (Mpam1/2) | - | 3-4 |
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