Thank you for viewing. 31-49 ☆Free shipping. Immediate purchase is welcome; first come, first served. To offer low prices, items may be shipped without their original boxes. Please understand this. We handle a large number of products. Medium and large items will be shipped as is. Occasionally, there may be dents or stains, but the contents are not affected. *Please note that depending on shipping conditions, only the contents may be shipped. Please refrain from purchasing if you are overly concerned about minor imperfections. Please be aware that the item has been opened once for photography. *Photos are for illustrative purposes only; please be sure to examine the actual product before purchasing! Please note that the color of the product may appear different depending on the lighting. 【Thermal Stability】Graphite crucibles have excellent thermal stability and are suitable for emergencies and cold regions. 【High-Temperature Resistance】Original natural graphite, which retains various physical and chemical properties, can only be applied to electric furnaces. When using an air heater, the temperature can withstand up to 3200°F. 【Features】Graphite crucibles have high thermal conductivity, rapid heating and cooling / excellent acid and alkali resistance / significantly reduce melting time, saving energy / impact resistance, and ensuring product quality reliability. 【Composition】99.9% graphite. Ash content is less than 0.1%. Excellent thermal conductivity and corrosion resistance. Suitable for refining graphite crucibles made of silicon carbide. 【Wide Range of Applications】Can melt precious or non-precious metals and process large amounts of materials. Melt and cast metals such as gold, silver, brass, aluminum, copper, zinc, and lead. Excellent thermal conductivity and corrosion resistance. Suitable for emergency or cold use conditions. $$1000