Yixing City Kam Tai Refractories Co.,ltd
Yixing City Kam Tai Refractories Co.,ltd Professional Manufacturer of Refractory Kiln furniture and Technical Ceramic
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Factory Price High Temperature Resistance Alumina Ceramic ring
1. Description
Alumina ceramic product is produced by alumina as the main material, through the forming, high temperature sintering has good heat resistance, high performance, good compression wear-resisting performance , high insulating strength, high mechanical strength, thermal expansion coefficient little etc
Widely used in electronics, electrical equipment, instrument and apparatus, household appliances, electric vacuum device, communication equipment, temperature control switch, high-grade ceramic valve, faucet move sliding-vane, and other industries for precision components use and in the media with grinding and polishing
3. Specification
|
Item
|
Unit
|
95% Alumina ceramic
|
99% Alumina ceramic
|
|
Bulk density
|
g/cm3
|
>3.6
|
3.89
|
|
Max use temperature
|
℃
|
1500
|
1700
|
|
Water absorbtion
|
%
|
0
|
0
|
|
Bending Strength
|
Mpa
|
364
|
450
|
|
Expansion (25-800°C)
|
(X10-6/°C)
|
7.6
|
8
|
|
Thermal Conductivity
|
(W/(m.R))
|
20
|
35
|
|
Dielectric Strength
|
(kv/mm)
|
11
|
12
|
