Features: Service life is 3 to 8 times longer than clay urns. Suitable for high temperature metal smelting. Suitable for all kinds of caulks furnaces, petroleum furnaces, electric furnaces and more, can reinforce gold, silver, copper, brass, aluminum and so on.
Material: Silicon carbide graphite
Dimensions: Outside diameter 79mm/3.1in, Inside diameter 60mm/2.4in, Height 95mm/3.7in
Capacity: Maximum molten copper is 3.5 lbs (1.6 kg), maximum molten aluminum is 0.1 lbs (0.6 kg).
Specifications:
Shade density: 1.71g/cm3;
Appearance porosity: ≤30%;
Immediatity: less than 1800 degrees Celsius;
Fire resistance: ≥8.55Mpa;
Chemistry:
C:45%;
Alumina: 26%;
Silicon Carbide:23%;
Silica : 6%
Packing: 1 x silicon carbide graphite count.
Note: 1 The color of the objects in the picture may be slightly different from the actual objects due to light shooting and different monitors.
2. Please allow 1-3cm differs due to manual measurement.