| Category | Ceramic , Oxide , Aluminum Oxide |
| Manufacturer | CeramTec North America |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | CeramTec DC 25 Dispersion Ceramic, Al2O3-ZrO2.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 4.37 g/cc | 0.158 lb/in³ | DIN EN 623-2 |
| Water Absorption | 0.00 % | 0.00 % | Open Porosity; DIN EN 623-2 |
| Particle Size | 0.54 µm | 0.54 µm | Grain |
| Permeability | 0.00 | 0.00 | %, Gas |
| Weibull Modulus | 14 | 14 | DINV ENV 843-5 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Vickers Microhardness | 1910 | 1910 | HV1; DINV ENV 843-4 |
| Tensile Modulus | 357 GPa | 51800 ksi | Young's; DINV ENV 843-2 |
| Flexural Strength | 1350 MPa | 196000 psi | DIN EN 843-1 |
| 1390 MPa | 202000 psi | Bending Strength; 4-Point; DIN ENV 843-1 | |
| Compressive Strength | 4700 MPa | 682000 psi | DIN 51067T1 |
| Poissons Ratio | 0.24 | 0.24 | DINV ENV 843-2 |
| Fracture Toughness | 6.40 MPa-m½ | 5.82 ksi-in½ | K<sub>IC</sub> (SEVNB); DIN CEN/TS 14425-1 |
| Shear Modulus | 144 GPa | 20900 ksi | Calculated |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 8.10 µm/m-°C @Temperature 20.0 - 400 °C |
4.50 µin/in-°F @Temperature 68.0 - 752 °F |
DIN EN 821-1 |
| Specific Heat Capacity | 0.700 J/g-°C | 0.167 BTU/lb-°F | DINV ENV 821-3 |
| Thermal Conductivity | 17.0 W/m-K | 118 BTU-in/hr-ft²-°F | DIN EN 821-2 |
| Maximum Service Temperature, Air | 1000 °C | 1830 °F | |
| Maximum Service Temperature, Inert | 1000 °C | 1830 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Al2O3 | 74 % | 74 % | DIN EN ISO 12677 |
| Cr2O3 | 0.30 % | 0.30 % | DIN EN ISO 12677 |
| Y2O3 | 0.60 % | 0.60 % | DIN EN ISO 12677 |
| ZrO2 | 24 % | 24 % | DIN EN ISO 12677 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 2000 ohm-cm | 2000 ohm-cm | IEC 672-1 |
| Dielectric Strength | 16.5 kV/mm | 419 kV/in | IEC 672-1 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Magenta | |
| Monoclinic Content (%) | < 10 | DIN EN ISO 12677 |
| Other Oxides (%) | < 0.1 | DIN EN ISO 12677 |
| Ra = Arithmetic Mean Roughness Value (µm) | <0.06 | |
| Radioactivity (Bq/kg) | < 25 | |
| SrO (%) | 0.8 | DIN EN ISO 12677 |
| Thermal Shock Resistance R1 (K) | 355 | calculated; R1 = [s? (1-µ)] / (a·E) |