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Alumina ceramic is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, stable electrical performance characteristics. Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products. We can make the part by hot injection pressing, dry pressing, 200T isostatic pressing and extrusion productive technology etc.
- Max. size: 600mm x 500mm -Max. thickness: 30mm
-Best tolerance: to be 0.02mm -Roughness: to be 0.025um
-Surface treatment: polishing, glazing and metallizing
- Good electrical insulation strength
- Low thermal conductivity
- Lower medium spoilage
- High temperature resistant
- High wear resistant
- Low expansion coefficient
- Chemistry resistance
- Stiffness texture
Used in all electric products and electric heating products
95%
alumina
99.2%
alumina
99.5%
alumina
ZrO2
(Y-TZP)
Items
Unit
SiC
TiO2
Si3N4
Color
White
Ivory
Ivory
White
Black
Black
Gray
Density
g/cm3
≥3.60
≥3.80
≥3.85
≥6.0
≥3.21
≥4.00
3.22
Water absorption
%
0
0
0
0
0
0
0
Hardness
HV
1500
1700
1700
1300
2500
800
Flexural strength
Mpa
≥320
≥338
≥379
1200
550
158
650
Compressive strength
Mpa
≥2000
≥2240
≥2240
≥1990
≥3306
---
≥2200
Max. service temperature
(Non-loading)
℃
1550
1600
1675
850
1600
1000
1200
Thermal conductivity
W/(m.K)
24
29
30
2.5
150
5
25
Volume resistivity
Ω.cm
> 10^14
> 10^14
> 10^14
> 10^11
10^5
10^12
> 10^14
Insulation strength
kV/mm
18
18
19
17
---
3.93
16
Dielectric constant
-
9.5
9.5
9.7
29
---
95
8.2
We, at Jinghui Industry Ltd is a leading advanced ceramic components' manufacturer in China over than 15 years. Currently, our main products include metallized ceramics, ceramic grinders for pepper/spice/salt/herb/coffee mill, ceramic substrate / plate/ sheet/ wafer, ceramic tube/bushing/sleeve/rod, zirconia ceramic components, engineering / structure ceramic components, ceramic seal components and so on.
The selection manufacturing methods include dry pressing, hot pressing, isostatic pressing, ceramic injection molding, extrusion with selection of materials. Also we have our own comprehensive high precison processing and firing production line. Such as metallizing, glazing, fine grinding, CNC machining, laser cutting and so on.
The quality products come from art of state of manufacturing processes, also it's in need of advanced inspection tool. The main inspection equipment include CMM, projector etc.
With our reliable products, professional service and good credit established with customers, we have been exporting our products to Europe, North American, Asia, South American, South African over than 50 countries.
Q1. Is it available to provide customize products?
A: We always support custom-made ceramic substrate, ceramic plate, ceramic wafer, ceramic sheet as per different dimensions, design and shape.
Q2. When can I get the price?
A: We regularly quote within 24 hours after we get your inquiry. If you are in urgent need of get the price, please call us or tell us in your email so that we will proceed your inquiry as priority.
Q3. How long can I expect to get the sample?
A: After you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 4 weeks. The samples will be sent to you via express and arrive in 3-5 workdays. You can use your own express account or prepay us if you do not have an account.
Q4. How long does the whole procedure being worked out?
A: After you place an order, the manufacturing time is about 25 working days.
Q5. What about the transportation and delivery date?
A: Normally we use Int`l express by our forwarder, or with client`s account number. It is about 3~5 working days. For some heavy goods, sea freight will be recommended, it will take around 1 month, but It also depends on where you are.
Q6. How to ensure the quality?
A: The dimension out of any batch will be carried out sampling inspection per International AQL standard. 100% cosmetic inspection will be done.
Q7. Are you a factory or trading company?
A: We are a professional manufacturer. We are warmly welcome clients from worldwide to visit our factory and cooperate with us.
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Main Product:
Metallized ceramics,
Precision ceramics,
Pepper Grinder Mechanism,
Ceramic Grinding Mechanism,
Alumina Ceramic Plate,
Ceramic Substrate
