Whether it is your Custom Clay Graphite Crucible or your Graphite Vacuum Crucible With Lid, both of our products are used for high - temperature applications for your melting process. The crucibles are made from high - purity graphite and exhibit superior heat resistance and durability. Its custom - made clay graphite crucible provides a lot of flexibility, allowing it to fulfill specific users' needs. The vacuum lid graphite crucible is suitable for processes requiring a sealed environment, limiting the risk of oxidation and contamination during the melting process. Whether you're a professional jeweler or work within an industrial metal - melting environment; you can count on these high - purity graphite crucibles to effectively produce high - efficiency gold melting as well as withstanding severe temperatures.