Super Aluminum Oxide Ceramic Yarn Guide Apply In Textile Machinery Ceramic Parts
1.Product description
We offers a wide range of material types with different property profiles that can be adjusted via a targeted matrix design.
This material has very high hardness, very high stiffness, very good corrosion resistance to chemicals at high temperature, and very high refractoriness or use temperature.
The applications for alumina advanced ceramics are heavy-duty forming tools, substrates and resistor cores in the electronics industry, tiles for wear protection and ballistics, thread guides in textile engineering, seal and regulator discs for valves, heat-sinks for lighting systems, protection tubes in thermal processes or catalyst carriers for the chemicals industry.
2.Technical data
|
Material
|
95% Al2O3
|
99% Al2O3
|
ZrO2(Y-PSZ)
|
|
Color
|
White/Pink
|
Ivory
|
White
|
|
Density (g/cm3)
|
3.65
|
3.88
|
5.95-6.05
|
|
Water Absorption (%)
|
0
|
0
|
0
|
|
Moh's Hardness
|
9
|
9
|
9
|
|
Flexural Strength (Mpa) (25℃)
|
352
|
364
|
900
|
|
Compressive Strength (Mpa) (25℃)
|
2000
|
2500
|
2200
|
|
Thermal Conductivity (W/m.k) (25℃)
|
18-25
|
27
|
2.2
|
|
Thermal Expansion Coefficient
(25-1000℃)(10-6mm/℃) |
8
|
8
|
10.3
|
|
Therma Shock Resistance △T(℃)
|
220
|
180-200
|
280-350
|
|
Max. Working Temperature (℃)
|
1500
|
1700
|
850
|
|
Dielectric Strength (kv/mm)
|
16
|
20
|
---
|
|
Electrical Resistivity (Ω.cm) (25℃)
|
1014
|
1014
|
1012
|
|
Dielectric Constant
(@1MHz, 25℃)
|
9
|
9.7
|
26
|
|
Dielectric Loss (tan delta)
(@1MHz, 25℃) |
0.0004
|
0.0001
|
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|
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