Graphite crucible is a kind of crucible made of graphite, clay, silica and wax stone. Graphite crucible is mainly used for smelting non-ferrous metals such as copper, brass, gold, silver, zinc and lead and their alloys. That is to say, the melting of these metals requires the use of graphite crucibles, which means that the refractory temperature of graphite crucibles must be very high. What is the refractory temperature of the graphite crucible? What's the maximum temperature? Let's talk about it:

First of all, we know that the crucible is made of graphite, that is to say, the high-temperature resistance of graphite is used, and graphite has certain strain resistance. Graphite crucible is most suitable because of its strong corrosion resistance to acidic and alkaline solutions. As for the fire resistance temperature, it can naturally reach about 1600 degrees. If it is in vacuum, the fire resistance temperature is higher. Therefore, graphite crucibles are not afraid of reheating at high temperatures.

One thing to note is that the graphite components in the graphite crucible are all natural graphite, which has very good thermal conductivity. The graphite crucible cannot be placed on the cold metal table immediately after heating to avoid its cracking due to rapid cooling.