... sourcing of refractory metal parts. Tungsten has the highest melting point of all metals as well as a ... Ra3.2 shining furnaceWorking temperature: 1500 ~ 2600 In Vacuum or deoxidize atmosphereProduce Method:Powder Metallurgy Tungsten PropertyMelting point: ... sapphire single crystal growth furnace, metallurgical industry furnace, vacuum furnace, high temperature furnace, silicon industry furnace, quartz ...