Description :
Item : Custom Made Glazed Alumina Ceramic Ignitor
Material : 95%-99% (AL2O3) Alumina Ceramics
Producing Method: Hot pressing /Dry pressing
Color : White
Packing : Carton /Pallet/Wooden case (According to clients requirement )
Delivery time : Standard Product-Within 3 days
New developed items :--15days
Items Design: According to client’s drawing or samples
Alumina Ceramics Technical Parameter
Alumina Content
80-85%
90-96%
> 99.5%
99%
General Application
Lower Cost Electrical & Mechanical
High Strength, Wear Resistant, Electronic, Insulating, Mechanical, Structural & Metalizing
Extremely High Purity, Temperature & Strength; Excellent Corrosion & Wear Resistance
Porous, Easily Degassed & Machinable
Porosity
%
0-.05
0-.05
0-.05
Variable
Density
gm/cm3
3.45-3.50
3.55-3.75
3.75-3.95
2.4
Flexural Strength
kpsi
35.0-40.0
40.0-50.0
50.0-55.0
-
Comprehensive Strength
kpsi
260.0
> 300.0
> 300.0
-
Tensile Strength
kpsi
15.0-20.0
20.0-28.0
20.0-28.0
-
Linear Coefficient of Thermal Expansion
(cm/cm/°C) 25-300°C 25-700°C
5.9X10-6 6.5X10-6
6.3X10-6 7.0X10-6
6.5X10-6 7.5X10-6
6.5X10-6 7.5X10-6
Dielecctric Constant at 25°C
1 MH 10 MH
8.5-8.9 8.4-8.8
9.2-9.8 9.0-9.6
9.5-9.9 9.3-9.7
-
Dielectric Strength
Volt/mil
200
225
225
-
Te Value
°F °C
1472 800
> 1832 > 1000
> 1832 > 1000
> 1832 > 1000
Thermal Conductivity at 25°C
cal/sec/cm2/cm/°C
.03-.04
.04-.06
.07-.08
-
Thermal Shock
Good
Good
Good
Good
Safe Use Temperature
°F °C
2550 1400
3000-3100 1650-1700
3275 1800
3275 1800
Specification :
We manufactures custom technical ceramics, covering a wide range of customer requirements .We make use of several forming and machining techniques to process components made from alumina Ceramics, This material may be used in applications that require High elevated temperatures ,High dielectric strength, excellent electrical resistance . wear or corrosion resistance .high temperature capability .High Electrical insulation.
Applications :
Electric appliance industry/Automotive industry/Mechanical industry
Engineering industry/Electrical heating element industry/LED Lighting Industry
PICS:
http://www.jb-castings.com/ceramic-ignitor/