Alumina ceramic is the most mature of the engineering ceramics, offering excellent electrical insulation properties together with high hardness and good wear resistance,but relatively low strength and fracture toughness.Alumina ceramic is generally white but may also be pink or ivory.The color is derived from either the sintering additives or impurities in the raw materials.
| Properities | Unit | Steatite Ceramic | 95% Alumina Ceramic | 99% Alumina Ceramic |
| Density | g/cm3 | 2.7 | 3.6 | 3.8 |
| Flexural strength | Mpa | 145 | 300 | 300 |
| Hardness | Gpa | 5.7 | 7 | 10.7 |
| Elastic modulus | Gpa | 120 | 275 | 320 |
| Poissons ratio | - | 0.21 | 0.22 | 0.22 |
| Linear expansion coefficient | x 10-6/℃ | 7.9 | 7.1 | 7.8 |
| Thermal conductivity | w/(m.k) | 2.5 | 20 | 25 |
Product Advantages
● Certificates: ISO & SGS
● OEM & ODM: OEM & ODM service is available
● Strict testing procedures :Meeting the requirements of the product design and process, providing reliable testing data.
● Short Delivery time:If less than 1000 pieces, it only takes around 5 days. We also stock some standard-sized products, if you need urgently, we can delivery very soon.
● Best ex-factory price
● Worldwide customers
● Customized according to needs
● Continuous research and development of new products
● Customer service:If you find some quality problem, please contact us, we’ll deal with it as soon as possible.
Our customers have a wide range of processing choices for transportation mode.
Yixing Shengda Refractory Ceramic Co., Ltd, established in 1995, Yixing, China with an area of 4,000 square meters and fixed assets of over 1 million US dollars, is a professional manufacturer of Steatite Ceramic Parts, Alumina Ceramic Parts, Cordierite Ceramic Parts, Ceramic Band Heater Insulators, Ceramic Terminal Block, Thermostat Ceramic Parts, Zirconia Ceramics Parts, Ceramic Heater Plugs, etc.
Shengda Ceramic equipped with CAD/CAXA/Solidworks software to provide professional OEM & ODM service.
Looking forward to co-operating with the customers from all over the world!
