1.The use temperature is less than or equal to 1800 ℃, can be used to melt gold, silver, copper, aluminum, iron and other precious metal 2.Good thermal and shock resistance. Good thermal conductivity. Fast heating speed 3.The high density of graphite crucible makes the crucible have good thermal conductivity 4.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 5.3KG capacity: 3KG copper can be holded. 6.4KG gold, 3.5KG silver, 0.9KG aluminum.
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