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| Categories | Technical Ceramic Parts |
|---|---|
| Brand Name: | ZG |
| Model Number: | MS |
| Certification: | CE |
| Place of Origin: | CHINA |
| MOQ: | 1 piece |
| Price: | USD10/piece |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 10000 pieces |
| Delivery Time: | 5-8 working days |
| Packaging Details: | Strong wooden box for Global shipping |
| Material: | Technical ceramic |
| Size: | Customized |
| Features: | high wear resistance, low density (low bearing load), no impurities |
| Color: | White |
| Company Info. |
| HENAN ZG INDUSTRIAL PRODUCTS CO.,LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
In the field of ultrafine powder processing, air flow classification is an important means to obtain narrow distribution and ultrafine particles. The design and manufacture of classifying wheel is the core technology of the classifier. The air classifier of German alpai enjoys a good reputation in the world, and is the designated equipment of some powder manufacturers which require strict particle size distribution. There are usually two kinds of classifying wheels: metal and ceramics. For some materials sensitive to magnetic pollution, ceramic classifying wheels must be used.
Related Data
| Main component | 99%Al2O3 | S-SiC | ZrO2 | Si3N4 | ||
| Physical Property | Density | g/cm3 | 3.9 | 3.1 | 6 | 3.2 |
| Water Absorption | % | 0 | 0.1 | 0 | 0.1 | |
| Sinter Temperature | °C | 1700 | 2200 | 1500 | 1800 | |
| Mechanical Property | Rockwell Hardness | HV | 1700 | 2200 | 1300 | 1400 |
| Bend Strength | kgf/mm2 | 3500 | 4000 | 9000 | 7000 | |
| Compression Intensity | Kgf/mm2 | 30000 | 20000 | 20000 | 23000 | |
| Thermal Property | Maximum working temperature | °C | 1500 | 1600 | 1300 | 1400 |
| thermal expansion coefficient 0-1000°C | /°C | 8.0*10-6 | 4.1*10-6(0-500°C) | 9.5*10-6 | 2.0*10-6(0-500°C) | |
| 5.2*10-6(500-1000°C) | 4.0*10-6(500-1000°C) | |||||
| Thermal Shock resistance | T(°C) | 200 | 250 | 300 | 400-500 | |
| Thermal Conductivity | W/m.k(25°C | 31 | 100 | 3 | 25 | |
| 300°C) | 16 | 100 | 3 | 25 | ||
| Electrical Property | Resisting rate of Volume | ◎.cm | ||||
| 20°C | >1012 | 106-108 | >1010 | >1011 | ||
| 100°C | 1012-1013 | – | – | >1011 | ||
| 300°C | >1012 | – | – | >1011 | ||
| Insulation Breakdown Intensity | KV/mm | 18 | semiconductor | 9 | 17.7 | |
| Dielectric Constant (1 MHz) | (E) | 10 | – | 29 | 7 | |
| Dielectric Dissipation | (tg o) | 0.4*10-3 | – | – | – | |
Main material execution:
Ceramics classifying wheels have excellent mechanical properties and machinability, high temperature resistance, corrosion resistance, wear resistance, high strength, anti adhesion, low density, small friction coefficient and self lubrication, etc. the ceramic classifying wheel is widely used in powder refining and grading industry.
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