Main Products: silicon nitride ball ,silicon nitride parts ,full ceramic bearing ,hybride ceramic bearing ,ceramic valve
silicon nitride roller
USD $15 - $20 /Piece
Min.Order:100 Pieces
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Beijing Sinoma Synthetic Crystals Co., Ltd.
Beijing ChinaMain Products: silicon nitride ball ,silicon nitride parts ,full ceramic bearing ,hybride ceramic bearing ,ceramic valveProduct Details
Si3N4 tubes,which can be used in electronic industry and color TV industry, are superior in thermal shock resistance and fracture toughness. With a steady production process, the quality and lifespan of the tubes have already reached advanced levels in the world.
Physical Properties
Density g/cm3 | Relative density
| Elastic modulus GPa |
Compression strength ratio25
| Hardness GPa |
3.26 0.02 | >99.5 | 300320 | 4050 | 16 - 20 |
Fracture toughness /MPam1/2 | Bending strength MPa | Poisson's ratio | Linear expansion coefficient 10-6K-1 | Webuller modulus |
6.09.0 | 9001000 | 0.25 | 3.13.3 | 1215 |
Thermal conductivity WmK-1 | Specific resistance ratio | Corrosion resistance | Size stability | Magnetic |
15~20 | 1018 | Excellent | Excellent | NO |
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