pure tungsten sheet in large size materials: pure tungsten >99.95% ... crystal growth furnace, metallurgical industry furnace, vacuum furnace, high temperature furnace, silicon industry furnace, quartz glass, metal ... industries, etc.SMT’s advantage in furnace components1)Large size, high purity, high density, Smooth furnace , difficulty structure2)Long ... [(Ω·mm2)/m] pure tungsten plate in large size