China hot sale cheap graphite crucible melting furnace manufacture

Description ：
1.High purity machined graphite crucible, which is machined according to customers'drawing from large graphite blocks.
it is widely used in melting of glass, precious metals, rare earth, zinc, silver, gold, ceramics etc.
2.Graphite clay crucible.This kind of graphite crucible is pressed in mold of mixtures of graphite powder and clay.
3.Graphite SiC crucible. This kind of crucible is isostatic pressed in mold of mixtures of graphite powder and Silicon carbide. Benefits：
Used in melting iron,steel,copper,aluminum, tin, zinc, silver and gold etc.
high strength
high purity (Carbon: 99.5%)
high temperature resistance (graphite material melting point is 3850¯50)
good heat shock resistance.
Precise Machining.
High machinining capabilities