| Sign In | Join Free | My futurenowinc.com |
|
| Categories | Machining Ceramic Parts |
|---|---|
| Brand Name: | China |
| Model Number: | 008 |
| Place of Origin: | Suzhou,China |
| MOQ: | 100pcs |
| Price: | Negotiable |
| Payment Terms: | T/T |
| Supply Ability: | 10000 Piece/Pieces per Month |
| Delivery Time: | 25 days |
| Packaging Details: | Box, Carton, Wooden, Bag etc. Customized package |
| Product name: | High Wear-resistance and durable silicon nitride balls |
| Material: | Alumina Ceramic |
| Application: | Industrial Ceramic |
| hardness: | 1800 |
| Water Absorption: | 0% |
| Electrical Insulation: | excellent |
| Density: | 3.9g/cm3 |
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:



|
|