585 ‰Description
PRIMA682R
Master alloy for the production of yellow 585 – 750 – 875 – 917 ‰ 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. The use is suggested with the addition of 10 – 40 % of pure silver to the master alloy.
| 585 ‰ | 750 ‰ | 875 ‰ | 917 ‰ | |
| Hardness as cast | 163 HV | 156 HV | 116 HV | 116 HV |
| Density | 14.86 g/cm3 | 16.63 g/cm3 | 17.98 g/cm3 | 18.43 g/cm3 |
| Melting Range | Solidus: 782 °C Liquidus: 835 °C |
Solidus: 850 °C Liquidus: 864 °C |
Solidus: 899 °C Liquidus: 923 °C |
Solidus: 902 °C Liquidus: 927 °C |
