High Strength and good insulation Alumina ceramic washer for insulation usage
1. Description
Alumina ceramic product is produced by alumina as the main material, through the forming, high temperature sintering has good heat resistance, high performance, good compression wear-resisting performance , high insulating strength, high mechanical strength, thermal expansion coefficient little etc
Widely used in electronics, electrical equipment, instrument and apparatus, household appliances, electric vacuum device, communication equipment, temperature control switch, high-grade ceramic valve, faucet move sliding-vane, and other industries for precision components use and in the media with grinding and polishing
2. Main Features
1. Material:alumina ceramic
2. Using many fine technology such as dry press molding and isostatic press molding.
3. High strength,high hardness,resist to high temperature, wearing and corrosion.
4. It can do a good job under mang bad conditions such as high temperature,high pressure , vacuum, inflammable, explosive,acid,alkali,steam,non-lubricated environments.
5. Preventing material from contamination because of its extreme low wear rate.
Application:Materials for grinding and dispersed,structural ceramics,electronics,refractory ceramics,magnetic material,metallurgy,medicine,food,cosmetics,textiles,printing and dyeing,pigment and other industries.
3. Specification
| Item | Unit | 95% Alumina ceramic | 99% Alumina ceramic |
| Bulk density | g/cm3 | >3.6 | 3.89 |
| Max use temperature | ℃ | 1500 | 1700 |
| Water absorbtion | % | 0 | 0 |
| Bending Strength | Mpa | 364 | 450 |
| Expansion (25-800°C) | (X10-6/°C) | 7.6 | 8 |
| Thermal Conductivity | (W/(m.R)) | 20 | 35 |
| Dielectric Strength | (kv/mm) | 11 | 12 |
