Description
SPARK666L
Master alloy for the production of yellow 375 – 417 – 585 ‰ gold jewellery obtained by investment casting. The elements contained in this product ensure a high deoxidation in casting and a high surface quality, making it suitable for castings with and without stones in place. The use is suggested with the addition of 0 – 10 % of pure silver to the master alloy.
| 375 ‰ | 417 ‰ | 585 ‰ | ||
| Hardness as cast | 123 HV | 118 HV | 106 HV | |
| Density | 11.02 g/cm3 | 11.35 g/cm3 | 12.68 g/cm3 | |
| Melting Range | Solidus: 805 °C Liquidus: 886 °C |
Solidus: 803 °C Liquidus: 884 °C |
Solidus: 850 °C Liquidus: 890 °C |

375 ‰