Description
SPARK688H
Master alloy for the production of yellow 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. The use is suggested with the addition of 30 – 50 % of pure silver to the master alloy.
| 750 ‰ | ||||
| Hardness as cast | 150 HV | |||
| Density | 14.9 g/cm3 | |||
| Melting Range | Solidus: 840 °C Liquidus: 870 °C |

750 ‰