Product Characteristics: 【High Quality Melting Furnace】Power 1400W, 3kgs of large compacity, voltage 110V,max. heating temp 1100°C/2012°F, metals could be melted completely in 45-60 minutes. 【Graphite Crucible Designed】The high-purity graphite crucible with high density and the delicate surface can heat up quickly to melt high-purity precious metals. Upgraded Smelter Kiln Kit comes with two graphite crucible including 1KG graphite crucible +3KG graphite crucible +5-in-1 graphite ingot mold, enabling flexible combinations for melting with improved efficiency. .