- Brand Name : HRT
- Place of Origin : Zhongshan China
Si3N4 Silicon Nitride Ceramic Ball
Material :Ceramic(Si3N4, SiC, ZrO2, Al2O3)
Size :0.5mm-50.8mm
Grade :G5,G10,G20,G100,G200,etc.
Product Detail
Applications: bearings, composte bearings, mechnical seals, nozzles, chemical
pumps, auto parts, heat exchange components, vacuum equipment, etc.
Material :Ceramic(Si3N4, SiC, ZrO2, Al2O3)
Size :0.5mm-50.8mm
Grade :G5,G10,G20,G100,G200,etc.
Features
1. High Fracture Toughness
2. High Dielectric Strength
3. Low density
4. Light weight (60% Lighter than Steel)
5. Wear Resistant
6. Corrosion Resistant,Anti-wear/corrosion/high temperature
7. Microwave Transparency
8. Non Magnetic,non-magnetism
9. High stiffness
10. Chemically Inert
11. Thermal Shock Resistance
12. Low Coefficient of Thermal Expansion
13. Free maintenance
14. Fist choice in ceramic balls
| Specification | Common Ceramic Ball | Inert Ceramic Ball | Medium Alumina Ball | High Alumina Ball | 99% Alumina Ball |
| Al 2 O 3 + SiO 2 (%) | >93 | >92 | >93 | >94 | >99 |
| Al 2 O 3 (%) | 17-23 | 23-30 | 47-56 | 90-93 | 99 |
| Fe 2 O 3 (%) | <1 | <1 | <1 | <1 | <1 |
| CaO (%) | <0.5 | <1.5 | <2 | <4 | 0.2 |
| MgO (%) | <0.5 | <2.5 | <0.5 | <0.5 | 0.1 |
| K 2 O + Na 2 O (%) | <4 | <4 | <3.5 | <4 | >0.5 |
| TiO 2 | <0.5 | <0.1 | <0.1 | 0.5 | |
| Leachable Iron (%) | <0.1 | <0.001 | <0.001 | ||
| Water Absorption (%) | <0.5 | <0.2 | <2 | <3 | 2.0-6.0 |
| Bulk Density (g/cm 3 ) | 1.35-1.40 | 1.35-1.40 | 1.35-1.45 | 1.8-2.0 | 1.8-2.0 |
| Operation Temp. max. | >1100 | >1100 | 1480 | 1760 | |
| Mohs Hardness (scale) | >6.5 | >7 | >7 | >7 | >7.5 |
| Crush Strength | KN/particle | ||||
| 1/4 inch (6mm) | >0.5 | >0.54 | >0.56 | >0.44 | >1 |
| 1/2 inch (13mm) | >1.5 | >1.67 | >1.56 | >1.99 | >3 |
| 3/4 inch (19mm) | >4.15 | >4.21 | >2.89 | >3.21 | >5 |
| 1 inch (25mm) | >6.07 | >6.22 | >4.89 | >5.33 | >8 |
| 1-1/2 inch (38mm) | >8.52 | >8.92 | >5.33 | >5.28 | >8 |
| 2 inch (50mm) | >9.7 | >9.8 | >6.22 | >8 | >15 |
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