High Purity Graphite Mold For Metal Melting

High purity graphite mold for metal smelting is custom-designed and manufactured specifically for metal ingot casting.

The smelting and casting processes of precious and non-ferrous metals place stringent requirements on the material of the mold, and their performance directly affects the purity, surface quality, and production efficiency of the finished metal ingot. High-purity graphite mold, with their superior physicochemical properties, have become an indispensable core tool in the field of metal ingot casting. They are particularly important for foundries of precious metals such as gold and silver, and non-ferrous metals such as copper and aluminum.

Metal smelting often involves extremely high-temperature environments, while high-purity graphite mold can operate stably for extended periods at temperatures reaching approximately 1600°C, maintaining stable performance even at high temperatures with negligible thermal expansion and contraction. Simultaneously, their extremely low coefficient of thermal expansion and excellent thermal shock resistance allow the molds to maintain dimensional stability under drastic temperature fluctuations and are less prone to cracking and breakage.

Furthermore, graphite possesses natural self-lubricating properties, allowing for smooth demolding without damaging the ingot surface during the casting process. Simultaneously, its extremely low ash content effectively prevents chemical reactions with the molten precious metal during high-temperature melting, effectively avoiding impurity contamination. This is particularly crucial for processing precious metals such as gold, silver, and platinum, which require extremely high purity.

This chapter presents various specifications of graphite molds, ranging from single-outlet to double-outlet, single-outlet to nine-outlet sizes, as well as single-cavity or multi-cavity designs, all available upon request. Whether for standard gold ingot casting, mass production, or special-shaped castings, high-purity graphite molds provide stable and reliable forming support.

PACKAGE:
Veneer cases or wooden cases or according to customers' requirement.

DELIVERY TIME:
3-20 days after confirming order,detail delivery date should be decided according to
production season and order quantity.

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