High Purity Refining Graphite Casting Melting Ingot Mold for Gold Silver Metal
High Purity Refining Graphite Casting Melting Ingot Mold for Gold Silver Metal
Features:
Application:Melting and casting metals such as Gold, Silver, Brass, Aluminum, Copper, Zinc, Plumbum, etc.
Composition:99.95% Graphite. Ash content less than 0.1%. Better for Refining than Silicon Carbide Graphite Crucibles.
Warm-Tips:Pure graphite crucible can NOT be heating by carbon furnace or charcoal kiln. It will be oxidized and cracked; Pure graphite will start to oxidize at 752 °F (400℃). The withstand temperatures can be 3200 °F if you use Air Electric Furnace. The withstand temperatures can be 5000 °F if you use Vacuum or Gas Protection Furnace.
Material: Pure Graphite
Ash ≤0.1%;
Bulk density ≥1.82 g/cm3;
Specifications:
(1 troy ounce =31.1035g)
►55x37x20 mm
Outer size: 2.16 x 1.46 x 0.79 inch
Inner size: 1.77 x 0.95 x 0.39 inch (0.3 fl oz)
Capacity: 150g gold / 80g silver
►85x45x30 mm
Outer size: 3.35 x 1.77 x 1.18 inch
Inner size: 2.56x 1.18 x 0.78 inch (1.18 fl oz)
Capacity: 665g gold / 320g silver
►125x50x30 mm
Outer size: 4.92 x 1.97 x 1.18 inch
Inner size: 4.13 x 1.37 x 0.78 inch (2.19 fl oz)
Capacity: 1250g gold / 650g silver
►125x60x40 mm
Outer size: 4.92 x 2.36 x 1.57 inch
Inner size: 4.13 x 1.57 x 1.18 inch (3.82 fl oz)
Capacity: 2.15Kg gold / 1.1Kg silver
►125x80x40 mm Outer size: 4.92 x 3.15 x 1.57 inch
Inner size: 4.13 x 2.37x 1.18 inch (5.75 fl oz)
Capacity: 3.25Kg gold / 1.7Kg silver
Package:
1x Graphite Casting Melting Ingot