... DC. In manual applications, the ceriated tungsten will provide slightly different electrical characteristics than the thoriated tungsten but generally no difference will be ... models available:1) We can supply electrodes of thoriated tungsten, ceriated tungsten, lanthanatedtungsten, zirconiated tungsten pure tungsten.2) Item: WP, WT20, WC20, WZr3, WZr8, WL10 ...