Features: 100% brand new and high quality. Great thermal stability: aims at the using conditions of graphite crucible that snap hyperthermal and cold. Great corrosion resistance and shock resistance: ensure the reliability of product quality. Great resistance to strong acid and strong base. Great thermal conductivity: shorten the melting time and save energy. The ash content is less than 0.1%, ensuring the precious metals is not contaminated in smelting. Suitable to melt various metals, like gold, silver, copper, aluminum, lead, zinc and others. Chemical stability, long service life and attractive appearance. More durable than ordinary material and able to withstand high temperature.
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