... 2% Thoriated tungsten electrode for tig Welding with Red Tip1.Thoriated Tungsten electrode Characteristic Type of Electrode Model Added ImprrityImpurity QuantityOther ... customer’s requirement. We can supply all kinds of tungsten electrode ,such as WT20, WP , WL15 WL20, WC 20 ... 5-8 research engineers.In recent years, resistance welding electrode series products have passed ISO900I-2000 Certificate, and ...