****tungsten boats material: pure tungsten, tungsten content: 99.95% melting point: 3422℃ application: tungsten boat is used for powders or granulated materials evaporation, aperture cleaning by heat treatment in vacuum we supply them according to the drawing from the customers. furthermore, we can supply other tungsten products, such as tungsten wires, tungsten electrodes (wcr20, wl20, wt20, wzr8, wp), tungsten plates, tungsten rods, tungsten sheets, tungsten foils, tungsten twisted wires, tungsten crucibles, tungsten bars, tungsten discs, tungsten strips, tungsten boats, w welding rods and so on.