Alumina Ceramics

Alumina Ceramics is the most widely used fine ceramics material.  This material has superb material characteristics such as high electrical insulation, high mechanical strength, high wear and chemical resistance.

Ortech provides state-of-the-art technical ceramic manufacturing by the most cost-effective processes.  Ortech maintains efficient manufacturing facilities that support quick-turn prototype development and high volume production.

 

Manufacturing Options
• Injection molding
• Roll compacting
• Extruding
• Co-firing
• Isostatic pressing
• Dry pressing
• Hot pressing
• Tape casting
• Slip casting

Advanced Finishing Services
• Precision grinding and lapping
• Laser machining
• Engineering design and support
• Metallizing
• Alumina Ceramics-to-metal brazing
• Specialized coatings
• Threaded components
• Precision motion components
• Complex cleanroom assemblies


 

 

COMPOSITION
UNIT
AL-960
AL-975
AL-980
AL-995
AL2O3
%
96
97.5
98
99.7
TENSILE
Kpsi
30
30
30
32
FLEXURAL
Kpsi
55
55
55
60
COMPRESSIVE
Kpsi
300
300
300
330
DENSITY
g/cc
3.67
3.72
3.80
3.90
POROSITY
-
0
0
0
0.00
COLOR
-
WHITE
WHITE
WHITE
IVORY
HARDNESS
MOH’S SCALE
9
9
9
9
THERMAL

CONTDUCT

cal/cm2 cm/sec/c°
0.049
0.05
0.052
0.055
C.O.T.E.
In / In°C (x107)
75
76
77
78
MAX WK TEMP
-
1600
1650
1650
1700
DIELECTRIC STRENGTH
D.C. Volts Mil @ 0.100" Thick
230
230
240
250
VOLUME RESISTIVITY
Ohm-cm (x1012)
2
3.1
3.2
3.5
DIELECTRIC CONSTANT
-
9
9.4
9.6
9.7
DISSIPATION FACTOR
-
0.0003
0.0002
0.0001
0.0001
LOSS FACTOR
-
0.028
0.013
0.011
0.009

 

 

Standard Alumina Ceramics Products

Alumina Rods

Alumina Plates

Ceramic Washers

 

 

 

Ceramic Tubes | Ceramic Rods | Ceramic Plates | Armor Plates | Ceramic Fish Spine Beads | Ceramic Substrates

Ceramic Seal | Ceramic Bearing and Rollers | Thermocouple Protection Tube | Metalized Ceramic

Ceramic Screws | Ceramic washers | Alumina Insulators | Ceramic Ball | Link

 
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Phone: (916) 549-9696
Fax: (916) 404-7788
info@ortechceramics.com
6720 Folsom Blvd. Suite 219
Sacramento CA 95819
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