DescriptionThis product is a clay graphite crucible, which has good thermal stability. It is suitable for emergency heat or cold usage condition. Using modern processing technology to manufacture strong and durable. You deserve to have one.Features- Color: Black.- Material: Clay, graphite. - Size: 6.50X6.50X7.50cm/ 2.55X2.55X2.95in. - Mainly used in alloys, platinum, gold and other high-temperature melting alloys. - Using clay graphite material, high purity, high strength, high temperature resistance, high shocks resistance. - Good heat conduction properties, can greatly shorten the melting time, save energy. - Great for those who are using a heating method to melt down their materials. - Not only for melting metals, but also for scientific experiments. You can use it with confidence.