SPARK220

Master alloy for the production of white 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 ‰

750 ‰

Hardness as cast

124 HV

134 HV

142 HV

187 HV

Density

10.95 g/cm3

12.71 g/cm3

14.69 g/cm3

Melting Range

Solidus: 882 °C
Liquidus: 967 °C

Solidus: 916 °C
Liquidus: 963 °C

Solidus: 889 °C
Liquidus: 915 °C

Description

SPARK220

	375 ‰	417 ‰	585 ‰	750 ‰
Hardness as cast	124 HV	134 HV	142 HV	187 HV
Density	10.95 g/cm3	10.95 g/cm3	12.71 g/cm3	14.69 g/cm3
Melting Range	Solidus: 882 °C Liquidus: 967 °C	Solidus: 882 °C Liquidus: 967 °C	Solidus: 916 °C Liquidus: 963 °C	Solidus: 889 °C Liquidus: 915 °C