A-950 High Alumina Ceramic
Alberox manufactures its town A950 ceramic. Precise matching of our own ceramic and proprietary metalizing insures high quality, reliable ceramics to metal
seals.
ALBEROX A-950 HIGH ALUMINA CERAMIC
Mechanical and Electrical Properties
|
| Property
| Units
| Value
| Notes
|
| Alumina content |
% |
95 |
|
| Color |
|
White |
|
| Government designation |
|
L625C |
MIL-I-10, ASTM D2442 Type II |
| Specific gravity |
|
3.73 |
|
| Water absorption |
|
Impervious |
Dye penetrant |
| Hermeticity |
|
1 x 10-13cc/sec. He
|
Mass spectrometer |
| Tensile Strength |
PSI |
31,000 |
|
| Compressive Strength |
PSI |
385,000 |
|
| Flexural Strength |
PSI |
51,000 |
|
| Elastic Modulus |
PSI |
47 x 106
|
Young's |
| Hardness |
|
9 |
Moh's scale |
| Impact strength |
ft-lbs |
7.5 |
Charpy |
| Specific heat |
BTU/lb/°F |
0.19 |
|
| Thermal conductivity |
BTU/hr/f2/°F/in. |
145 |
|
| Maximum working temp. |
°F |
2900 |
|
| Coefficient of thermal expansion |
|
8.0 x 10-6
|
25 - 1000 °C |
| Dielectric strength |
Volts/mil |
225
320
|
25 °C, 60 CPS"
1/4" thick specimen
1/8" thick specimen
|
| Dielectric constant |
|
9.27
9.17
|
1 MHz
10MHz
|
| Dielectric loss tangent |
|
.0003
.0006
|
1 MHz
10MHz
|
| Volume resistivity |
ohm-cm |
>1014
>109
|
at 25 °C
at 500 °C
|
|
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Alberox Products
225 Theodore Rice Blvd. New Bedford, MA 02745
Phone (508) 995-1725 •
Fax (508) 995-6954
A Division of Morgan
Advanced Ceramics
Morgan
Technical Ceramics is a Global Business
Unit of the Morgan
Crucible Company plc.
It comprises Morgan
Advanced Ceramics and Morgan
Electro Ceramics.
|
