1Fast Heating and Cooling: Graphite casting ingot mold has excellent thermal stability, can be quickly heated and cooled, and can withstand the corrosion of strong acids and strong alkalis.2Excellent Electrical and Thermal Conductivity: Graphite casting ingot mold with for melting gold, silver and other precious metals, has excellent thermal shock resistance, electrical conductivity and thermal conductivity.3Superior Performance: Graphite ingot bar mold has excellent wear resistance, excellent lubricating properties and excellent service life: high purity, high density, high mechanical strength and chemical stability.4High Purity: The graphite ingot mould tool is made of pure graphite to ensure that the precious metals in smelting are not contaminated and is designed for melting gold, silver, copper, brass, aluminum, etc.5Multiple Application: The graphite ingot mould can also be used as a testing and analysis tool, as well as an ingot mould for making bars or necklace pendants.