Sodium tungstate and tungsten carbide are applied in tungsten coat as raw materials, the applications of tungsten are brought into play.

• 电沉积含钨镀层所用含钨原料主要是钨酸钠、碳化钨等,所得含钨镀层性能特色明显,其钨用量很少,发挥钨功能很大。