375 ‰Description
PRIMA220AI
Master alloy for the production of white 375 – 417 – 585 – 750 ‰ gold jewellery obtained by investment casting. This product, thanks to its complex composition made of numerous different special elements, ensures an extreme level of deoxidation, an extreme surface quality, an enhanced fluidity and a long lasting of this features also after many reuses of casting scraps, making it the most advanced solution for castings with and without stones in place.
| 375 ‰ | 417 ‰ | 585 ‰ | 750 ‰ | |
| Hardness as cast | 125 HV | 130 HV | 151 HV | 187 HV |
| Density | 11.2 g/cm3 | 11.22 g/cm3 | 12.77 g/cm3 | 14.7 g/cm3 |
| Melting Range | Solidus: 895 °C Liquidus: 943 °C |
Solidus: 904 °C Liquidus: 982 °C |
Solidus: 907 °C Liquidus: 985 °C |
Solidus: 915 °C Liquidus: 990 °C |
