Supply Insulating Alumina Ceramic Ring 99 Aluminum Oxide Ceramic
Ring
Our factory Jisnagsu YUBEI ceramics co., ltd. is a professional
manufacturer of industrial ceramics. Our main products include
alumina ceramics, zirconia ceramics, and silicon carbide ceramics,
etc. Products can be customized by drawings or samples. For round
or square shape products, sizes within 500mm are available. For
tubes, the max. length can be about 2000mm, but diameter within
80mm.
Manufacturing:
| Diameter | within 500mm available |
| Material | 99% Al2O3 |
| Delivery time | 35 days |
| Quality guarantee | Finish machining |
| FOB port | Shanghai port |
Technical data:
| Properties | Item | Unit | 99% Alumina | 95% Alumina |
| Mechanical Property | Color | -- | Light Yellow | White |
| Mechanical Property | Density | g/cm3 | 3.85 | 3.6 |
| Mechanical Property | Bending Strength | MPa | 310 | 300 |
| Mechanical Property | Compressive Strength | MPa | 2400 | 2300 |
| Mechanical Property | Elastic Modulus | GPa | 340 | 320 |
| Mechanical Property | Fracture Toughness | MPam1/2 | 3-4 | 3-4 |
| Mechanical Property | Weber Coefficient | m | 12 | 12 |
| Mechanical Property | Vickers Hardness | HV0.5 | 1600 | 1400 |
| Thermal Property | Coefficient of Line Thermal Expansion | 10-6K-1 | 7-8 | 7-8 |
| Thermal Property | Thermal Conductivity | W/mK | 29 | 20 |
| Thermal Property | Thermal Shock Resistance( in water) | ΔT℃ | 200 | 250 |
| Thermal Property | Max Working Temperature | ℃ | 1600 | 1500 |
| Electrical Property | Volume Resistance at 20℃ | Ωcm | >1014 | >1014 |
| Electrical Property | Dielectric Strength | V/m | 15X106 | 15X106 |
| Electrical Property | Dielectric Constant | εr | 10 | 9 |
99% Alumina Ceramic Ring
FAQ:
1. Are you a factory?
Yes, we're a factory professinally producing industrial ceramics.
Our main products are alumina ceramics, zirconia ceramics and sic
ceramics.
2. What's the size of it?
Products are always customized according to drawings or samples.
Diameter and height within 500mm are available.
3. What's the price for it?
It depends. Prices are caculated by the drawing size and structure.
4. What's the production process?
Our products are made mainly in cold isostatic pressing, dry
pressing and hot press moulding technique.
5. How about the delivery?
Generally speaking, a ceramic production needs about 30 days to
finish. Some special products maybe take a longer time. For some
simple products, maybe 10-15 days is ok.
6. How's the packing?
The usual packing is cartons, wooden cases, or pallets. Ceramics
are fragile products, will use some breakage-proof materials to
protect them.
7. Can you do the finish maching?
Yes, we have lathes, grinding machines, milling machines,
carves-milling machines to make sure products' accuracy.
8. Which is the nearest port?
Shanghai port is the nearest one from us. It takes about 2-3 hours
to get to shanghai port.
