| Category | Ceramic , Oxide , Aluminum Oxide |
| Manufacturer | CoorsTek |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | CoorsTek ADS-995R MidFilm™ 99.5% Alumina Thick Film.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 3.90 g/cc | 0.141 lb/in³ | ASTM-C373 |
| Water Absorption | 0.00 % | 0.00 % | ASTM-C373 |
| Particle Size | 2.0 µm | 2.0 µm | Grain Size; Intercept Method |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell 45 N | 84 | 84 | ASTM-E18 |
| Modulus of Elasticity | 379 GPa | 55000 ksi | ASTM-C623 |
| Flexural Strength | 440 MPa | 63800 psi | ASTM-F394 |
| Poissons Ratio | 0.24 | 0.24 | ASTM-C623 |
| Shear Modulus | 153 GPa | 22200 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 |
| 7.20 µm/m-°C @Temperature 25.0 - 500 °C |
4.00 µin/in-°F @Temperature 77.0 - 932 °F |
ASTM-C372 | |
| 7.60 µm/m-°C @Temperature 25.0 - 800 °C |
4.22 µin/in-°F @Temperature 77.0 - 1470 °F |
ASTM-C372 | |
| 8.00 µm/m-°C @Temperature 25.0 - 1000 °C |
4.44 µin/in-°F @Temperature 77.0 - 1830 °F |
ASTM-C372 | |
| Thermal Conductivity | 23.0 W/m-K @Temperature 100 °C |
160 BTU-in/hr-ft²-°F @Temperature 212 °F |
|
| 31.0 W/m-K @Temperature 20.0 °C |
215 BTU-in/hr-ft²-°F @Temperature 68.0 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Al2O3 | 99.5 % | 99.5 % |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | >= 1.00e+7 ohm-cm @Temperature 700 °C |
>= 1.00e+7 ohm-cm @Temperature 1290 °F |
ASTM-D1829 |
| >= 1.00e+8 ohm-cm @Temperature 500 °C |
>= 1.00e+8 ohm-cm @Temperature 932 °F |
ASTM-D1829 | |
| >= 1.00e+9 ohm-cm @Temperature 300 °C |
>= 1.00e+9 ohm-cm @Temperature 572 °F |
ASTM-D1829 | |
| >= 1.00e+13 ohm-cm @Temperature 25.0 °C |
>= 1.00e+13 ohm-cm @Temperature 77.0 °F |
ASTM-D1829 | |
| Dielectric Constant | 10 @Frequency 1000 Hz |
10 @Frequency 1000 Hz |
ASTM-D150 |
| 10 @Frequency 1.00e+6 Hz |
10 @Frequency 1.00e+6 Hz |
ASTM-D150 | |
| Dielectric Strength | 23.4 kV/mm @Thickness 0.635 mm |
595 kV/in @Thickness 0.0250 in |
60 cycles AC avg. RMS; ASTM-D149 |
| Dissipation Factor | 0.00030 @Frequency 1000 Hz |
0.00030 @Frequency 1000 Hz |
Loss Tangent; ASTM-D150 |
| 0.00030 @Frequency 1.00e+6 Hz |
0.00030 @Frequency 1.00e+6 Hz |
Loss Tangent; ASTM-D150 | |
| Dielectric Loss Index | 0.0030 @Frequency 1000 Hz |
0.0030 @Frequency 1000 Hz |
Loss Factor; ASTM-D150 |
| 0.0030 @Frequency 1.00e+6 Hz |
0.0030 @Frequency 1.00e+6 Hz |
Loss Factor; ASTM-D150 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Ivory | |
| Permeability | NIL | |
| Surface Finish - (µin.) | <0.89 | as-fired; Profilometer, 0.0002" Radius Stylus, 0.100" Cutoff, ANSI/ASME B46.1 |
| <35 | CLA; Profilometer, 0.0002" Radius Stylus, 0.100" Cutoff, ANSI/ASME B46.1 |