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CeramTec B 40 Alumina, 99.1%
| Category | Ceramic , Oxide , Aluminum Oxide |
| Manufacturer | CeramTec North America |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | CeramTec B 40 Alumina, 99.1%.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
B 40 is the ideal sliding mate with the same properties as Rubalit® A 1896. It contains a larger share of Al2O3 for superior chemical stability.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 3.82 g/cc | 0.138 lb/in³ | DIN EN 623-2 |
| Water Absorption | 0.00 % | 0.00 % | Open Porosity; DIN EN 623-2 |
| Permeability | 0.00 | 0.00 | %, Gas |
| Weibull Modulus | 8.0 | 8.0 | DINV ENV 843-5 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Vickers Microhardness | 1700 | 1700 | HV1; DINV ENV 843-4 |
| Tensile Modulus | 360 GPa | 52200 ksi | Young's; DINV ENV 843-2 |
| Flexural Strength | 300 MPa | 43500 psi | DIN EN 843-1 |
| Compressive Strength | 2000 MPa | 290000 psi | DIN 51067T1 |
| Poissons Ratio | 0.23 | 0.23 | DINV ENV 843-2 |
| Fracture Toughness | 4.20 MPa-m½ | 3.82 ksi-in½ | K<sub>IC</sub> (SEVNB); DIN CEN/TS 14425-1 |
| Shear Modulus | 146 GPa | 21200 ksi | Calculated |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 7.20 µm/m-°C @Temperature 20.0 - 400 °C |
4.00 µin/in-°F @Temperature 68.0 - 752 °F |
DIN EN 821-1 |
| 8.70 µm/m-°C @Temperature 20.0 - 1000 °C |
4.83 µin/in-°F @Temperature 68.0 - 1830 °F |
DIN EN 821-1 | |
| Specific Heat Capacity | 0.900 J/g-°C | 0.215 BTU/lb-°F | DINV ENV 821-3 |
| Thermal Conductivity | 28.0 W/m-K | 194 BTU-in/hr-ft²-°F | DIN EN 821-2 |
| Maximum Service Temperature, Air | 1400 °C | 2550 °F | |
| Maximum Service Temperature, Inert | 1400 °C | 2550 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Al2O3 | 99.1 % | 99.1 % |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 1.00e+10 ohm-cm @Temperature 400 °C |
1.00e+10 ohm-cm @Temperature 752 °F |
IEC 672-1 |
| 1.00e+14 ohm-cm @Temperature 20.0 °C |
1.00e+14 ohm-cm @Temperature 68.0 °F |
IEC 672-1 | |
| Dielectric Constant | 9.0 @Frequency 1.00e+7 Hz |
9.0 @Frequency 1.00e+7 Hz |
IEC 672-1 |
| Dielectric Strength | 20.0 kV/mm | 508 kV/in | IEC 672-1 |
| Dielectric Loss Index | 6000 @Frequency 9.00e+9 Hz |
6000 @Frequency 9.00e+9 Hz |
IEC 672-1 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Ra = Arithmetic Mean Roughness Value (µm) | <0.15 | |
| Thermal Shock Resistance R1 (K) | 150 | calculated; R1 = [s? (1-µ)] / (a·E) |
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