SPARK305L

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

97 HV

104 HV

Density

10.93 g/cm3

11.25 g/cm3

12.65 g/cm3

Melting Range

Solidus: 836 °C
Liquidus: 911 °C

Solidus: 824 °C
Liquidus: 900 °C

Solidus: 837 °C
Liquidus: 880 °C

Description

SPARK305L

	375 ‰	417 ‰	585 ‰
Hardness as cast	102 HV	97 HV	104 HV
Density	10.93 g/cm3	11.25 g/cm3	12.65 g/cm3
Melting Range	Solidus: 836 °C Liquidus: 911 °C	Solidus: 824 °C Liquidus: 900 °C	Solidus: 837 °C Liquidus: 880 °C