Brazil
Canada
Colombia
Mexico
USA
Austria
Benelux
Croatia
Czech Republic
France
Germany
Greece
Hungary
Italy
Liechtenstein
Poland
Romania
Russia
Slovenia
Switzerland
Spain
Sweden
Turkey
UK
Ukraine
Australia
China
India
Japan
New Zealand
South Korea
Auropal KF
Auropal KF is a copper-free, gold-reduced casting alloy, especially suitable for the milling and double crown techniques.
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 55.0 | Ag 30.5 | Pd 8.4 | In 5.0 | Zn 1.0 | Ge <1.0 |
| ISO | 22674:2016 |
| Type / Color | 4 / Rich Yellow |
| Density (g/cm³) | 13.7 |
| Melting Range (Solidus/Liquidus): | 910 - 1020 °C |
| Elastic Modulus (GPa): | 99 |
| As Cast Softened Hardened | |
| Vickers Hardness: | 200 140 220 |
| Tensile Strength (MPa): | 580 440 580 |
| 0.2% Proof Stress (MPa): | 450 350 530 |
| Elongation (%): | 5 17 3 |
Advantages
- Cu-free
- Excellent milling properties (attachment/double crown techniques)
- No discolouration in double crowns
- Wide range of indications
- Certified biocompatibility
Processing Data
| Investment Material: | Phosphate-bonded / Gypsum-bonded |
| Preheating / Burn- out Temperature: | 700 °C |
| Crucible | Carbon crucible / Ceramic crucible |
| Casting Temperature: | 1170 °C |
| Laser Welding Wire: | Portadur IN |
*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES