TOAUTO High Purity Graphite Crucible, Metal and 50 similar items

GROOVED GRAPHITE CRUCIBLE Grooved graphite crucible made of natural graphite with good thermal conductivity and high temperature resistance, and has a small thermal expansion coefficient during high temperature use. Specially designed for easy removal from the furnace say no to any metal waste. LARGE COMPACITY 3KG 334ML Capacity, can be melted 6.4KG gold,3.5KG silver,3KG copper,0.9KG aluminum. The use temperature is less than or equal to 1800 , can melt alloys such as gold, silver, platinum, and other precious metals, smelting, casting metals. 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. They withstand temperatures can be 3200 F if you use Air Electric Furnace. They withstand temperatures can be 5000 F if you use Vacuum or Gas Protection Furnace. Long Service Life The surface of the graphite crucible has a special glaze layer and dense molding material, which greatly improves the corrosion resistance of the product and extends its service life SLEFREE AFTERSALE SERVICES All Products from the TOAUTO will be provided for 1year warranty aftersales and lifetime technical support, and 30day return. Premium aftersales service from a highquality product, we take full responsibility for our promise.