Sprue Burning Mandrel

• Capable of melting up to 5 kilo of gold. • This is specially designed and constructed for melting metals for casting and alloying. • Led display with touch pad digital read out allows precision temperature control. • Maximum temperature is 2000°F (1100°C). • It takes 10-20 Minutes to first warm up depending on the metal your melting and 10-20 minutes to fully melt your metal depending on the form of material. • Shot or small parts melt faster than large bars or blocks. • Grooved graphite crucible is designed for easy removal from the furnace using specially designed crucible tongs. • You can melt pure silver & gold or alloys such as sterling silver,14k gold 18k gold up to pure. • Some of the metals that can be melted with this furnace are aluminium, copper, gold, lead, silver, sterling silver, tin and zinc.