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CoorsTek ADOS-90R 91% Alumina Thick Film Substrate
| Category | Ceramic , Oxide , Aluminum Oxide |
| Manufacturer | CoorsTek |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | CoorsTek ADOS-90R 91% Alumina Thick Film Substrate.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
This 91-percent alumina (nominal) formulation offers a dark brown body for special applications. Applications: thick films and lasers
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 3.72 g/cc | 0.134 lb/in³ | ASTM-C373 |
| Water Absorption | 0.00 % | 0.00 % | ASTM-C373 |
| Particle Size | 5.0 - 7.0 µm | 5.0 - 7.0 µm | Grain Size; Intercept Method |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell 45 N | 78 | 78 | ASTM-E18 |
| Modulus of Elasticity | 310 GPa | 45000 ksi | ASTM-C623 |
| Flexural Strength | 365 MPa | 52900 psi | ASTM-F394 |
| Poissons Ratio | 0.24 | 0.24 | ASTM-C623 |
| Shear Modulus | 125 GPa | 18100 ksi | Calculated |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 6.40 µm/m-°C @Temperature 25.0 - 200 °C |
3.56 µin/in-°F @Temperature 77.0 - 392 °F |
ASTM-C372 |
| 7.30 µm/m-°C @Temperature 25.0 - 500 °C |
4.06 µin/in-°F @Temperature 77.0 - 932 °F |
ASTM-C372 | |
| 8.00 µm/m-°C @Temperature 25.0 - 800 °C |
4.44 µin/in-°F @Temperature 77.0 - 1470 °F |
ASTM-C372 | |
| 8.40 µm/m-°C @Temperature 25.0 - 1000 °C |
4.67 µin/in-°F @Temperature 77.0 - 1830 °F |
ASTM-C372 | |
| Thermal Conductivity | 8.00 W/m-K @Temperature 400 °C |
55.5 BTU-in/hr-ft²-°F @Temperature 752 °F |
|
| 12.0 W/m-K @Temperature 100 °C |
83.3 BTU-in/hr-ft²-°F @Temperature 212 °F |
||
| 13.0 W/m-K @Temperature 20.0 °C |
90.2 BTU-in/hr-ft²-°F @Temperature 68.0 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Al2O3 | 91 % | 91 % |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 7.00e+6 ohm-cm @Temperature 700 °C |
7.00e+6 ohm-cm @Temperature 1290 °F |
ASTM-D1829 |
| 4.00e+8 ohm-cm @Temperature 300 °C |
4.00e+8 ohm-cm @Temperature 572 °F |
ASTM-D1829 | |
| >= 1.00e+14 ohm-cm @Temperature 25.0 °C |
>= 1.00e+14 ohm-cm @Temperature 77.0 °F |
ASTM-D1829 | |
| Dielectric Constant | 10.3 @Frequency 1.00e+6 Hz |
10.3 @Frequency 1.00e+6 Hz |
ASTM-D150 |
| 11.8 @Frequency 1000 Hz |
11.8 @Frequency 1000 Hz |
ASTM-D150 | |
| Dielectric Strength | 21.3 kV/mm @Thickness 0.635 mm |
540 kV/in @Thickness 0.0250 in |
60 cycles AC avg. RMS; ASTM-D149 |
| Dissipation Factor | 0.0050 @Frequency 1.00e+6 Hz |
0.0050 @Frequency 1.00e+6 Hz |
Loss Tangent; ASTM-D150 |
| 0.10 @Frequency 1000 Hz |
0.10 @Frequency 1000 Hz |
Loss Tangent; ASTM-D150 | |
| Dielectric Loss Index | 0.050 @Frequency 1.00e+6 Hz |
0.050 @Frequency 1.00e+6 Hz |
Loss Factor; ASTM-D150 |
| 1.2 @Frequency 1000 Hz |
1.2 @Frequency 1000 Hz |
Loss Factor; ASTM-D150 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Dark Brown | |
| Permeability | NIL | |
| Surface Finish - (µin.) | <1.14 | as-fired; Profilometer, 0.0002" Radius Stylus, 0.100" Cutoff, ANSI/ASME B46.1 |
| <45 | CLA; Profilometer, 0.0002" Radius Stylus, 0.100" Cutoff, ANSI/ASME B46.1 |
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