Description
SPARK690H
Master alloy for the production of yellow 875 ‰ 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 10 – 20 % of pure silver to the master alloy.
| 875 ‰ | ||||
| Hardness as cast | 115 HV | |||
| Density | 16.60 g/cm3 | |||
| Melting Range | Solidus: 900 °C Liquidus: 955 °C |

875 ‰