BioPortadur
Bio Portadur is a high gold casting alloy with a warm golden colour. The copper and palladium-free composition gives this alloy well-balanced mechanical properties for a wide range of indications.
Indications*
- Inlays
- Onlays, 3/4 crowns, crowns
- Telescope crowns, conus crowns
- Bridges
- Wide-span bridges
- Cast posts / cores, bars, attachments
- Implant-supported superstructures
- Partial dentures
Technical Data
Composition (%): | Au 85.3 | Pt 10.0 | Zn 3.0 | In 1.0 | Rh <1.0 |
ISO | 22674:2016 |
Type / Color | 4 / Yellow |
Density (g/cm³) | 18.2 |
Melting Range (Solidus/Liquidus): | 970 - 1070 °C |
Elastic Modulus (GPa): | 99 |
As Cast Softened Hardened | |
Vickers Hardness: | 170 150 220 |
Tensile Strength (MPa): | 540 450 620 |
0.2% Proof Stress (MPa): | 380 310 510 |
Elongation (%): | 10 10 5 |
Advantages
- Cu and Pd-free
- Warm golden colour
- Excellent casting and processing properties
- Clinically proven
- Certified biocompatibility
Processing Data
Investment Material: | Phosphate-bonded / Gypsum-bonded |
Preheating / Burn- out Temperature: | 700 °C |
Crucible | Carbon crucible / Ceramic crucible |
Casting Temperature: | 1220 °C |
Laser Welding Wire: | Portadur IN |
*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES