Flanged 96% Al2O3 Alumina Ceramic Bushes
The specification of the ceramic bushes
| Material options |
Alumina ( purity from 40% to 99.8%), Zirconia, Silicon carbide, Silicon nitride |
| Forming methods |
Extrusion, Dry pressed, Hot pressed, Ceramic Injection molding, ISO pressed |
| Dimensional capability |
The inner diameter can be min.1mm, the outer diameter can max .800mm |
| Dimensional tolerance |
The OD to be 0.005mm, the ID to be 0.01mm, the length to be 0.001mm |
| Surface treatment |
External and internal surface to be polished, glazed or metalized |
| Secondary processing |
CNC machining, lapping, threaded, drilling, grinding, precision laser cutting |
The Prime Characteristics
1. Outstanding wear resistance, over 276 times in comparison with traditional stainless steel
2. Great mechanical properties, with diamond-like hardness, excellent compressive and dense body
3. Exceptional corrosion resistance, it can withstand various strong acids and alkalis, like HF, H2SO4
4. Extraordinary electrical insulation, it always used in various high-voltage, high-current application
Alumina ceramic bushes are found across a huge number of user industries due to their cost-effective advantages and high-performance solutions. The combination of key properties makes them a go-to product in many different applications:
1. High mechanical properties
Alumina works as various structural, and engineering ceramic parts in machinery, and equipment.
2. Fully dense
Alumina (Al2O3) provides a non-permeable tube that protects from contamination and can be used to create a gas-tight assembly.
3. Thermally stable
High-purity alumina (Al2O3) can be used in both oxidizing and reducing atmospheres up to 1600°C (2910°F) and in vacuum furnaces up to 1750°C.
4. High chemical resistance
Alumina is chemically inert and not corroded by water or steam. It offers good resistance to corrosive substances such as strong acids or alkalis, even at elevated temperatures.
Electrical insulation - Alumina is also widely used as an electrically insulating material. It can be used for insulators operating at high temperatures (e.g. furnace lead-in tubes, fuel cells)
We support numerous customized services to our clients as per their specific needs, like different materials, different shapes, different surface quality, and different dimension accuracy.
Technical Datasheet of various advanced ceramic materials
| General |
Properties |
Unit |
99.5% Al2o3 |
99% Al2O3 |
96% Al2O3 |
Steatite |
YTPZ
ZrO2 |
SiC |
| Mechanical |
Volume
Density |
G/cm 3 |
≥3.90 |
≥3.85 |
≥3.65 |
≥2.70 |
≥6.0 |
≥3.13 |
| Hardness |
HRA |
1700 |
1700 |
1500 |
800 |
1300 |
2500 |
| Porosity |
% |
0 |
0 |
0 |
0 |
0 |
0 |
| Compressive Strength |
Mpa |
≥2240 |
≥2240 |
≥2000 |
≥551 |
≥1990 |
≥ 2200 |
Bending
Strength |
Mpa |
≥379 |
≥338 |
≥320 |
≥190 |
≥1200 |
≥400 |
Elastic
Modulus |
Gpa |
370 |
350 |
303 |
110 |
210 |
400 |
| Thermal |
Thermal Conductivity |
W/m.K |
30 |
29 |
24 |
2.5 |
3 |
120~150 |
Coefficient of Thermal
Expansion |
1*10 -6 m/k |
6.5~8.0 |
6.2~8.0 |
5.0~8.0 |
7.7~8.0 |
8.0~9.5 |
4 |
| Electrical |
Insulation Breakdown |
KV/mm |
19 |
18 |
18 |
10 |
17 |
- |
| Volume Resistivity |
Ohm.Cm |
>1*1014 |
>1*1014 |
>1*1014 |
>1*1013 |
>1*1011 |
5*10 6 |
Our advantage and strength
1. Own in-house comprehensive types of manufacturing equipment from raw material to precision machining.
2. With over 15 years of manufacturing experience in OEM, ODM, and professional teams
3 .The rigorous and complete quality control system, including IQC, IPQC, OQC, and QA, also CPK, AQL
4 . Support special and custom-made needs, including prototyping and R&D cases, or serial massive demands.
5. Offer many selections of technical ceramic materials, including alumina, zirconia, silicon carbide, silicon nitride
6. Deal with every case in order to enhance the competitiveness of customers and make their business grow.
7. Providing one-stop ceramic components, including Ceramic Tubes, Ceramic Rods, and Industrial Ceramic Plate.
Q1: Is it available to produce customized products?
A: We support custom-made alumina ceramic tubes as per different dimensions, designs, and surface treatments.
Q2.When can I get the price after sending the inquiry?
A: We regularly quote within 24 hours after we get your inquiry. If you are in urgent need of getting the price,
Please call us or tell us in your email so that we can proceed with your inquiry as a priority.
Q3.How long is the whole procedure being worked out?
A: After you place an order, the manufacturing time is about 25 working days.
Q4.How to ensure quality in your factory?
A: The strict quality control will be done in the production line, including IQC, IPQC, QA, OQC,
Also, both CKP and AQL are regularly used in production.
Q5. Are you a factory or trading company?
A: We are a professional manufacturer. You are welcome to visit our factory and cooperate with us.
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