5 Kg Propane Furnace from Hytech Products having MS material body and Burner Nozzle made from SS-304 delivers solid performance and high durability. Propane Furnace heating zone is fully insulated with 1 Inch thick refractory ceramic fiber, and it’s Cover insulated with 2-3 inch refractory ceramic fiber which can resist temperature up to 2600°F (1425°C). For better results and to give stability to crucible furnace floor is geared with ceramic fiber and refractory brickInterior of the combustion chamber comes up with refractory coating which protects inner wall, prevent heat loss, defend ceramic fiber linings against heat, flue gasses and fumes and help us save fuel and power.Propane Furnace Metal Melting kit includes “SALAMANDER SUPER” brand Clay-Graphite Crucible for melting metal which assures you consistent performance, tongs that can firmly grip crucible and safety gloves that protects your hand from heat, hot steam, sharp edges, and resist to abrasion also helps you handle tongs, ingot mold, hand tools.Generally Propane Furnace and other casting tools are used to make complex shapes by metal smith, jewellers, refiners or recyclers for smelting and have been widely applied for sculpture (especially in bronze), jewellery in precious metals, and weapons and tools. This propane furnace is efficient and effective for melting aluminum, copper, brass, bronze, gold, silver, iron and many others.Note: Make sure to follow the safety precautions in the book (attached with products)