4# Foundry Silicon Carbide Graphite Crucibles Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum for 3.5KG Copper or 1.2KG Aluminum
Brand: Eforlife
Color: 4# - 3.5KG Copper or 1.2KG Aluminum
<b>Eforlife -- Durable Silicon Carbide Graphite Crucibles</b><br> <br> ★Specification★<br> <br> <b>Highest Withstand Temperature: </b>1800℃(3272°F) <br> <b>Capacity: </b>16.9 fl oz, can casting 3.5kg Copper or 1.2kg aluminum<br> <b>Outer Size: </b>115mm Diameter x 120mm Height. <br> <b>Inner Size: </b>90mm Diameter x 110mm Depth.<br> <br> Bulk Density: 1.71g/cm3 <br>    Apparent Porosity: ≤30%<br> Refractory Strength: ≥8.55Mpa <br> Weight: 800g<br>  <br> ★Chemical composition★<br> C: 45%<br> Al2O3: 26% <br> SiC: 23%<br>   SiO2: 6%<br> <br> It is 3-8 times longer life than clay crucible. <br> Suitable for high temperature metal smelting.<br> Fit for all the furnace such as Coke-Oven, Fuel Burner, Electric Furnace.<br> Melting Gold, Silver, Copper, Brass, Aluminum and more. <br> <br> ★Package★<br> 1x Silicon Carbide Graphite Crucibles
【Material】Silicon Carbide Graphite, which is more durable than Clay Graphite
【Size】90mm Inner Diameter (3.5 inch)
【Capacity】16.9 fl oz, can cast 3.5kg Copper or 1.2kg aluminum
【Heat】Withstand temperatures up to 1800℃(3272°F), higher than Clay Graphite Crucibles
【Application】Melting Gold, Silver, Copper, Brass, Aluminum and more