Insulating 95% Alumina Ceramic Spacer Ring Al2o3 Spare Parts For Electronic
Insulating 95% Alumina Ceramic Spacer Ring Al2o3 Spare Parts For Electronic
Al2O3 ceramics with a purity of 95% to 99% are the most commonly used kind of technical ceramics. Its forming methods include injection, die pressing, slip casting, extrusion, and Isostatic pressing.
We mainly provide 95% to 99.5% purity alumina ceramic parts, pieces, rods, rings, etc., and we can customize according to customer requirements or drawings.
3. Excellent electrical insulation
4. High-frequency loss
5. Good thermal conductivity
6. Heat, wear and corrosion resistance.
3. Fluid control
4. Material transfer
5. Industry
6. Electrical and electronic
7. Semiconductor
8. Sapphire is single-crystal alumina.
|
Property
|
Unit
|
95% Alumina
|
99% Alumina
|
Zirconia
|
|
Density
|
g/cm3
|
3.65
|
3.8
|
6
|
|
Maximum temperature
|
C≥
|
1500
|
1750
|
1050
|
|
Hardness (HRA)
|
|
82
|
88
|
85
|
|
Flexural strength
|
MPa≥
|
350
|
500
|
1000
|
|
Elasticity
|
MPa
|
3400
|
3600
|
5000
|
|
Water absorption
|
%
|
0
|
0
|
0
|
|
Heat expansion
|
×10-6/°C(40-800°C)
|
7.8
|
8
|
11
|
|
Thermo conductivity
|
W/m·K( 20°C)
|
18
|
22
|
2.6
|
|
Thermal Resistance
|
°C
|
200
|
200
|
300
|
|
Volume Resistivity
|
Ω·cm(100°C)
|
10¹²
|
10¹²
|
10¹²
|
|
Dielectric strength
|
V/m
|
15×10^6
|
15×10^6
|
11×10^6
|
|
Dielectric constant
|
(1MHz)
|
9
|
9.8
|
33
|
FAQ
Q1: Are you a manufacturer or a trader?
A1: We are a real manufacturer, our factory is specialized in producing refractory materials for more than 20 years. We promise to provide the best price, the best pre-sale and after-sale service.
Q2: How do you control your quality?
A2: For each production process, LJ has a complete QC system for chemical composition and physical properties. And we will test the goods, and the quality certificate will be shipped with the goods. If you have special requirements, we will try our best to accommodate them.
Q3: What is your delivery time?
A3: Depending on the quantity, our delivery time is different. But we promise to ship as soon as possible with guaranteed quality.
Q4: Do you provide free samples?
A4: Of course, we provide free samples.
Q5: Can we visit your company?
A5: Yes, of course, you are welcome to visit LJ company and our products.
Q6: What is the MOQ for trial order?
A6: There is no limit, we can provide the best suggestion and solution according to your situation.
Q7: Why choose us?
A7: We have been making refractory materials for more than 20 years, we have strong technical support and rich experience, we can help customers design different kilns and provide one-stop service.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.