Wuxi Special Ceramic Electrical Co.,Ltd
High quality,small trial produce and quick delivery.
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Alumina(Al203)Screw
Machining by CNC,dimension accuracy is controlled in the range of 0.02mm.
Specification
| Property | Item | Unit | ALUMINA | |
| General properties | Main chemical ingredient | Al₂O₃ 99.9% | ||
| Bulk Density | g/cm³ | 3.9 | ||
| Color | - | Ivory | ||
| Water absorption | % | 0 | ||
| Main Characteristics | *Good Anti-Plasma*Wear Resistance*High Purity | |||
| Main Applications | *Wear Resistant Parts*Chemically Resistant Parts*Semiconductor Processing Equipment Parts | |||
| Mechanical Properties | Flexural Strength | Mpa | 400 | |
| Elastic Modulus | Gpa | 380 | ||
| Vickers Hardness | Gpa | 17.5 | ||
| Compressive Strength 20℃ | Mpa | - | ||
| Fracture Toughness(k l c) | Mpa*M*1/2 | 5~6 | ||
| Thermal Properties | Thermal conductivity(20℃) | w/mk | 34 | |
| Thermal Shock | ℃ | - | ||
| Coefficient of Thermal expansion (40-400℃) | 1x10-6/℃ | 7.2 | ||
| Coefficient of Thermal expansion (40-800℃) | 1x10-6/℃ | 8 | ||
| Electrical Properties | Dielectric Strength(1mhz) | kv/mm | 15 | |
| Dielectric Constant(1MHZ) | 25℃ | 9.9 | ||
| Volume Resistivity | ohm-cm(20℃) | ＞10^14 | ||
| ohm-cm(300℃) | 10^13 | |||
| ohm-cm(500℃) | 10^10 | |||
Our Company
Wuxi Special Ceramic Electrical mainly produces alumina, Silicon nitride, Zirconia, Steatite, Boron nitride, Cordierite,mullite products, widely used in metal welding, electronic conductor, mechanics, assembling, insulation, chemicals, instrument, textile, nuclear industry, aerial field.We accept trial produce according to the drawing or sample.It usually takes 15 days to finish trial product.Mass produce usually takes 30 days.Goods' package is carton or PLT.It can be negotiable with each other.
We mainly sell goods to toshiba lighting group in Japan and Europe.Our aim is to deliver goods with high quality at quick delivery date.
quality guarantee:mass produce by 100% inspection