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Product Details:
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| Product Name: | High Wear-resistance And Durable Silicon Nitride Balls | Material: | Alumina Ceramic |
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| Application: | Industrial Ceramic | Packaging Details: | Box, Carton, Wooden, Bag Etc. Customized Package |
| Hardness: | 1800 | Water Absorption: | 0% |
| Electrical Insulation: | Excellent | Density: | 3.9g/cm3 |
| High Light: | Al2O3 Alumina Ceramic Disc,Al2O3 Alumina Ceramic ball,1800 Alumina Ceramic Disc |
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High Wear-resistance and durable silicon nitride balls
Technical Parameters:
| Mechanical behavior | Unit | Al2O3 | SiC | Si3N4 | ZrO2 |
| Colour | ———— | Light yellow | Black | Black | White,Black |
| Density | g/cm3 | 3.95 | 3.15 | 3.2 | 6 |
| Bending strength | MPa | 300～400 | 400～500 | 800～1200 | 950～1200 |
| Elastic modulus E | GPa | 380 | 350 | 300-320 | 210 |
| Poisson's ratio | 0.22 | 0.14 | 0.26 | ||
| Hardness | Hv | 1800 | 2000～2500 | 1400～1700 | 1100～1300 |
| HRC | 80 | 85～90 | 75～80 | 70～75 | |
| Fracture toughness | MPa·m1/2 | 3.0～4.0 | 3.0～4.0 | 5.0～7.0 | 8.0～10.0 |
| Maximum use temperature | ℃ | 1000 | 1300 | 400 | 400 |
| Thermal expansion coefficient | 10-6/℃ | 8.4 | 4 | 3.3 | 10.3 |
Advantages:
High purity and chemical durability
High Mechanical Strength and Hardness
High Corrosion Resistance
High Voltage Resistance
Surface shape & roughness control
Extremely Abrasion Resistance Performance
Application:
Ceramic sealing balls are widely used in a variety of water faucets, water taps, sanitary sealing systems, regulating systems, sealing valves, water /oil/gas pumps, and so on.
More pictures:
Contact Person: Lucy Sun
Tel: 86-18662537949
