Product description
Alloys for fixed prosthesis.
Technical data:
| NPX SUPER (864-MET000620) | NPX IVV (864-MET000630) | |
| Application: | Crowns and bridges; porcelain fused to metal | Crowns and bridges; porcelain fused to metal |
| Primary formula %: | Cobalt: 61.6 Chromium: 27.0 Molybdenum: 6.0 Tungsten: 5.0 | Cobalt: 65.6 Chromium: 20.1 Tungsten: 7.1 Molybdenum: 1.3 |
| Colour: | Gray | Gray |
| Fusion range: | 1338-1421 ºC (2440-2590 ºF) | 1216-1320 ºC (2221-2408 ºF) |
| Casting temp.: | 1510 ºC (2750 ºF) | 1454 ºC (2650 ºF) |
| Hardness: | Vickers 350 | Vicker 338 |
| Density: | 8.60 g/cc | 8.16 g/cc |
| Mechanical properties: | Maximum: 98600 psi, 680 MPa Tension test: 68900 psi, 475 MPa Elongation: 10.3 % Coefficient of thermal expansion: 25-500 ºC, 14,1 x 10-6 m/mº/C | Maximum: 107300 psi, 740 MPa Tension test: 88450 psi, 610 MPa Elongation: 11.0 % Coefficient of thermal expansion: 25-500 ºC, 14,1 x 10-6 m/mº/C |
| Fusion interval: | 843-871 ºC (1550-1600 ºF) | 843-871 ºC (1550-1600 ºF) |
