Description
SPARK187R
Master alloy for the production of red 375 – 417 – 585 – 750 ‰ 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 ‰ | ||
| Hardness as cast | 101 HV | 127 HV | 130 HV | |
| Density | 10.9 g/cm3 | 11.5 g/cm3 | 12.93 g/cm3 | |
| Melting Range | Solidus: 900 °C Liquidus: 965 °C |
Solidus: 897 °C Liquidus: 950 °C |
Solidus: 900 °C Liquidus: 925 °C |

375 ‰