W
W is a reduced-gold ceramic alloy, suitable for conventional metal-ceramics. The good flow characteristics during casting and the high strength allow for a wide range of indications.
Indications*
- Inlays
- Onlays, ¾ crowns, crowns
- Telescope crowns, conus crowns
- Bridges
- Wide-span bridges
- Cast posts / cores, bars, attachments
- Partial dentures
Technical Data
| Composition (%): | Au 54.0 | Pd 26.4 | Ag 15.5 | Sn 2.5 | In 1.5 | Re <1.0, Ru <1.0, Li <1.0 |
| ISO | 22674:2016 |
| ADA Class: | High Noble |
| Type / Color: | 4 / White |
| Density (g/cm³) | 13.8 |
| Melting Range (Solidus/Liquidus): | 1200 - 1280 °C |
| Elastic Modulus (GPa): | 118 |
| Porcelain Fired Hardened | |
| Vickers Hardness: | 220 225 |
| Tensile Strength (MPa): | 660 715 |
| 0.2% Proof Stress (MPa): | 455 530 |
| Elongation (%): | 20 13 |
Advantages
- Good casting and flow characteristics
- High strength
- Compatible with conventional metal-ceramics (e.g. IPS Style)
- Wide range of indications
- Tested biocompatibility
Processing Data
| Investment Material: | Phosphate-bonded |
| Preheating / Burn- out Temperature: | 750 - 820 °C |
| Crucible | Ceramic crucible |
| Casting Temperature: | 1330 - 1390 °C |
| Oxidation °C/min/Vacuum: | 950 / 1 / No |
| CTE: | (25 – 500 °C): 14.2 x 10-6 /K |
| Recommended Metal Ceramic: | IPS Style, IPS InLine One, IPS InLine, IPS Classic, |
| Laser Welding Wire: | Laser Ceramic White |
*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES