HT-706 FINE GOLD YELLOW ALL PURPOSE

HT-706 FINE GOLD YELLOW ALL PURPOSE

United # HT 706 fine gold alloy is formulated for 18 K – 22 K Fine Gold sheet, plate and wire fabrication giving a Fine Gold color. The # HT 706 Fine Gold Alloy can also be used for Investment Casting if desired.

MELTING The # HT 706 Fine Gold Alloy and fine gold should be melted together in a clean crucible. Put alloy in the bottom of the crucible and fine gold on top. Initial melting temperature should be 1100º – 1120º C / 2012º – 2048º F for 20K – 22K, and 1070º – 1080º C / 1958º-1976º F for 18K. Drop temperature somewhat before pouring as listed below. Boric acid flux may be used to keep the metal clean during the melting process. The metal should be mixed well with a stirring rod before pouring to assure a good mix.

POURING TEMP 18K – 1000º – 1010º C

FOR INGOTS 1832º – 1850º F

20 K – 22K – 1100º – 1110º C

2012º – 2030º F