18ct Hcb Yellow Grain, 100% Recycled Gold

18ct Yellow Gold 100% Recycled Gold A reliable and consistent cast every time Other alloys available 18ct Hcb Yellow casting grain is produced using state of the art technology, ensuring your grain provides a consistent and reliable cast each time. Our 18ct Hcb alloy contains Boron but does not contain silicon. It has a casting temperature range of 1010-1110°C, 945-960°C melting range and a density of 15.5g/cm3. It is a preferred 18ct yellow casting alloy that produces a 2N colour cast (normal UK colour). Store your grain in an air-tight container to avoid contamination. 18ct grain is also available in white and red alloys (ALI 000 and ALQ 000). This product is made using 100% Recycled Gold.