SPARK305LB

Master alloy for the production of yellow 375 – 417 – 585 ‰ 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

102 HV

101 HV

109 HV

Density

10.89 g/cm3

11.23 g/cm3

12.72 g/cm3

Melting Range

Solidus: 840 °C
Liquidus: 910 °C

Solidus: 824 °C
Liquidus: 905 °C

Solidus: 830 °C
Liquidus: 880 °C

Description

SPARK305LB

	375 ‰	417 ‰	585 ‰
Hardness as cast	102 HV	101 HV	109 HV
Density	10.89 g/cm3	11.23 g/cm3	12.72 g/cm3
Melting Range	Solidus: 840 °C Liquidus: 910 °C	Solidus: 824 °C Liquidus: 905 °C	Solidus: 830 °C Liquidus: 880 °C