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CoorsTek ADS-995 99.5% Alumina Thin Film
| Category | Ceramic , Oxide , Aluminum Oxide |
| Manufacturer | CoorsTek |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | EXW, FOB, CFR, CIF |
| Payment Terms | L/C, T/T, PayPal |
| Download PDF | CoorsTek ADS-995 99.5% Alumina Thin Film.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Applications: thin film substrates
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 3.88 g/cc | 0.140 lb/in³ | ASTM-C373 |
| Water Absorption | 0.00 % | 0.00 % | ASTM-C373 |
| Particle Size | <= 2.2 µm | <= 2.2 µm | Grain Size |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell 45 N | 87 | 87 | ASTM-E18 |
| Modulus of Elasticity | 372 GPa | 54000 ksi | ASTM-C848 |
| Flexural Strength | 572 MPa | 83000 psi | ASTM-F394 |
| Poissons Ratio | 0.20 | 0.20 | ASTM-C848 |
| Shear Modulus | 155 GPa | 22500 ksi | Calculated |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 7.00 µm/m-°C <br>@Temperature 25.0 - 300 °C |
3.89 µin/in-°F <br>@Temperature 77.0 - 572 °F |
ASTM-C372 |
| 7.50 µm/m-°C <br>@Temperature 25.0 - 600 °C |
4.17 µin/in-°F <br>@Temperature 77.0 - 1110 °F |
ASTM-C372 | |
| 8.00 µm/m-°C <br>@Temperature 25.0 - 800 °C |
4.44 µin/in-°F <br>@Temperature 77.0 - 1470 °F |
ASTM-C372 | |
| 8.30 µm/m-°C <br>@Temperature 25.0 - 1000 °C |
4.61 µin/in-°F <br>@Temperature 77.0 - 1830 °F |
ASTM-C372 | |
| Thermal Conductivity | 25.5 W/m-K <br>@Temperature 100 °C |
177 BTU-in/hr-ft²-°F <br>@Temperature 212 °F |
ASTM-C408 |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Al2O3 | 99.5 % | 99.5 % |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | >= 1.00e+8 ohm-cm <br>@Temperature 700 °C |
>= 1.00e+8 ohm-cm <br>@Temperature 1290 °F |
ASTM-D257 |
| >= 1.00e+9 ohm-cm <br>@Temperature 500 °C |
>= 1.00e+9 ohm-cm <br>@Temperature 932 °F |
ASTM-D257 | |
| >= 1.00e+12 ohm-cm <br>@Temperature 300 °C |
>= 1.00e+12 ohm-cm <br>@Temperature 572 °F |
ASTM-D257 | |
| >= 1.00e+14 ohm-cm <br>@Temperature 25.0 °C |
>= 1.00e+14 ohm-cm <br>@Temperature 77.0 °F |
ASTM-D257 | |
| >= 1.00e+14 ohm-cm <br>@Temperature 100 °C |
>= 1.00e+14 ohm-cm <br>@Temperature 212 °F |
ASTM-D257 | |
| Dielectric Constant | 9.8 <br>@Frequency 1.00e+6 Hz |
9.8 <br>@Frequency 1.00e+6 Hz |
ASTM-D150 |
| Dielectric Strength | 17.7 kV/mm <br>@Thickness 1.02 mm |
450 kV/in <br>@Thickness 0.0400 in |
ASTM-D149 |
| 22.6 kV/mm <br>@Thickness 0.635 mm |
575 kV/in <br>@Thickness 0.0250 in |
ASTM-D116 | |
| Dielectric Loss Index | 0.00010 <br>@Frequency 1.00e+6 Hz |
0.00010 <br>@Frequency 1.00e+6 Hz |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | White | |
| Permeability | NIL | |
| Surface Finish - (µin.) | <2 | Polished |
| <30 | Lapped; Profilometer, 0.004" Radius Stylus, 0.30" Cutoff, ANSI/ASME B46.1 | |
| 5 | As-Fired; Profilometer, 0.004" Radius Stylus, 0.30" Cutoff, ANSI/ASME B46.1 |
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