China Industrial Porous High Purity Al203 Alumina Ceramic Rings Zta Ceramic Rings, Find details about China Industrial Ceramic Ring, Insulating Ceramic Ring from Industrial Porous High Purity Al203 Alumina Ceramic Rings Zta Ceramic Rings
Attribute | Zirconia | Alumina | ZTA |
Density | 5.9-6.05g/cm3 | 3.6-3.8g/cm3 | 4.8g/cm3 |
Hardness(HRC) | 88-90 | 80-86 | 86 |
Fracture Toughness | 10MPa.m½ | 4MPa.m½ | - |
Compressive Strength | 2000MPa | 1500MPa | 1700MPa |
CTE | 10.5ppm/ºC | 7.15-7.67ppm/ºC | 9.1ppm/ºC |
Maximum Operating Temperature | 1350ºC | 1700ºC | 1350ºC |
Thermal Conductivity(24ºC) | 2W/m.k | 18-28W/m.k | - |
Flexural Strength (24ºC) | 950MPa | 300MPa | 600MPa |
Water Absorption(%) | 0 | 0 | 0 |