Description
SPARK183LR
Master alloy for the production of red 375 – 417 – 585 – 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.
| 375 ‰ | 417 ‰ | 585 ‰ | 917 ‰ | |
| Hardness as cast | 108 HV | 110 HV | 142 HV | 101 HV |
| Density | 12.88 g/cm3 | 13.32 g/cm3 | 15.05 g/cm3 | 17.35 g/cm3 |
| Melting Range | Solidus: 845 °C Liquidus: 933 °C |
Solidus: 852 °C Liquidus: 924 °C |
Solidus: 842 °C Liquidus: 895 °C |
Solidus: 942 °C Liquidus: 961 °C |

375 ‰