Explore our range of high-performance ceramic materials designed to meet the diverse needs of precision engineering applications.
Renowned for its exceptional toughness and crack resistance, making it ideal for high-impact and high-load applications.
Offers high hardness and wear resistance at a cost-effective price point, suitable for abrasive and corrosive environments.
Combines high strength, high-temperature resistance, and corrosion resistance, suitable for high-load and high-temperature environments.
An ultra-hard material with high hardness and high-temperature resistance, ideal for high-temperature and high-wear environments.
| Type | Unit | Test Standard | Alumina | Zirconia | Silicon Carbide | Silicon Nitride | |||||
| Material | Al₂O₃ 96% | Al₂O₃ 97% | Al₂O₃ 99.7% | Al₂O₃-ZrO₂ | ZrO₂-Y₂O₃ | ZrO₂-Mgo | Mg-Psz | SiC | Si₃N₄ | ||
| Colour | white, ivory | white, ivory | white, ivory | yellow | white | yellow | white | black | black | ||
| Density | g/cm³ | ISO18754:2003 | 3.6 | 3.65 | 3.9 | 4.2 | 5.95-6 | 5.65 | 5.7 | 3.15 | 3.2 |
| Flexural Strength | Mpa | ASTM-C1161-13 | 310 | 360 | 400 | 500 | 1000 | 480 | 580 | 400 | 700 |
| Compressive Strength | Mpa | GB/T8489-2006 | 2200 | 2250 | 2450 | 2700 | 2200 | 1600 | 1600 | 2000 | 3000 |
| Modules of Elasticity (young) | Gpa | ASTM-C1198-09 | 300 | 330 | 380 | 350 | 210 | 210 | 210 | 430 | 290 |
| Fracture Toughness | MPa*m1/2 | ASTM-C1421-18 | 3.5 | 3.5 | 4 | 3.5 | 8 | 6 | 7 | 4 | 6 |
| Poision’s Ratio | ASTM-C1421-18 | 0.22 | 0.23 | 0.22 | 0.24 | 0.3 | 0.3 | 0.3 | 0.16 | 0.28 | |
| Hardness HRA | HRA | RICKWELL 60N | 88 | 90 | 91 | 91 | 90 | 88 | 88 | 94 | 91.5 |
| Vickers Hardness | HV1 | ASTM-C1327-15 | 1250 | 1450 | 1600 | 1600 | 1450 | 1200 | 1200 | 2100 | 1600 |
| Thermal Expansion Coefficient | 10-6K-1 | ASTM-E1461-13 | 7.2 | 7.1 | 6.8 | 9.2 | 10 | 9 | 9 | 3.5 | 3.2 |
| Thermal Conductivity | W/mk | ASTM-E1461-13 | 24 | 25 | 32 | 8 | 3 | 3 | 3 | 90 | 30 |
| Thermal Shock Resistance | △T.℃ | / | 200 | 200 | 220 | 470 | 400 | 400 | 400 | 600 | 600 |
| Max Use Temperature in oxidizing Atmosphere | ℃ | NO LOAD CONDITION | 1000 | 1000 | 1200 | 1000 | 1000 | 1000 | 1000 | 1350 | 1300 |
| Max use Temperatur in reducing or Inert Atmosphere | ℃ | NO LOAD CONDITION | 1000 | 1000 | 1400 | 1000 | 1000 | 850 | 850 | 1350 | 1400 |
| Volume Resistivity at 20°C | Ωcm | / | 1014 | 1014 | 1015 | 1014 | 1012 | 5X1013 | 5X1013 | 105 | 1014 |
| Dielectric Strength | kV/mm | / | 13 | 16 | 20 | 16.5 | 15 | 19 | 19 | 0 | 15 |
| Dielectric Constant (1MHN) | ASTM-D2149-13 | 9.5 | 9.5 | 9.5 | 10 | 30 | 27 | 27 | / | 9 | |
| Dielectric Loss Angle at 20C, 1MHz | tanδ | ASTM-D2149-13 | 3X10-4 | 3X10-4 | 1X10-4 | 2X10-4 | 2X10-3 | 2X10-3(1GHz) | 2X10-3(1GHz) | / | 4X10-3 |
Our clients love working with us, just read what they have to say!
We have been using Zirconia ceramic rods for years; they are stable and durable, significantly enhancing the reliability of our equipment.
CEO
Silicon Nitride ceramics perform excellently in high-temperature environments, meeting our stringent material requirements.
Material Expert
Eshino technical expert suggested alumina ceramics offer excellent wear resistance and cost-effectiveness, making them ideal for our abrasive applications.
Technical Manager
Watch our material selection guide video to learn how to choose the right ceramic material based on your application needs.
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Advanced Ceramic Rods Manufactory
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