Description
SPARK695LR
Master alloy for the production of red 585 – 875 – 917 ‰ 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 – 20 % of pure silver to the master alloy.
| 585 ‰ | 875 ‰ | 917 ‰ | ||
| Hardness as cast | 130 HV | 119 HV | 92 HV | |
| Density | 12.85 g/cm3 | 16.6 g/cm3 | 17.38 g/cm3 | |
| Melting Range | Solidus: 900 °C Liquidus: 920 °C |
Solidus: 915 °C Liquidus: 929 °C |
Solidus: 923 °C Liquidus: 945 °C |

585 ‰