Attuslla Silicon Carbide Graphite Crucibles, Clay Graphite Crucible for Metal Melting Casting Refining Aluminum Silver Gold Copper (#4-4KG)

• Durable Melting Crucible: Its strong oxidation and corrosion resistance, high thermal shock resistance, and excellent chemical stability make it a reliable metal casting tool.
• Material: Specially added silicon carbide to make the crucible more durable, can withstand temperatures up to 1800 °C (3300 °F).
• Dimensions: #4, The inner diameter of the crucible is 87mm/ 3.43 in, height is 125mm/ 4.92 in; The outer diameter is 117mm/ 4.61 in, height is 140mm/ 5.51 in.
• Capacity: 525ml, can cast at most 4kg copper, 1.4kg aluminum.
• Wide Application: Specially designed, this graphite crucible makes an essential vessel for melting and casting precious metals like gold and silver and non-ferrous metals, including copper, aluminum, brass, etc.

Extremely Durable Great thermal conductivity, corrosion resistance, high heat resistant. Wide Application The crucible is suitable for melting precious metals and other types of metals, such as gold, silver, metal, aluminum, copper, brass, zinc and so on. Specifications: Dimensions: #4, 117mm" Ø x 140mm" Ht. (exterior); 87mm"Ø x 125mm" Ht. (interior) Temperatures: can withstand up to 1800 °C (3300 °F) Capacity: 525ml, can cast at most 4kg copper, 1.4kg aluminum Package includes: 1 x #4 Clay graphite crucible