Customized Graphite Crucible with Quartz Sleeve for Copper Melting Furnace
High-purity graphite construction ensures superior thermal conductivity and extreme heat resistance up to 3000°C. Precision-engineered quartz sleeve adds an extra layer of durability, preventing oxidation and prolonging crucible lifespan. Available in versatile sizes (1kg, 2kg, 4kg, 5kg, 10kg) to fit small lab experiments or industrial-scale copper melting. Seamless inner surface minimizes metal contamination for purer alloy results. Ideal for foundries, jewelry casting, and metal recycling. Customizable dimensions upon request for specialized furnace setups. Direct factory pricing—bulk orders save more. Ships globally with guaranteed quality assurance.