UNIMIG PTR0006-16 1.6mm WZ8 0.8 Percent Zirconiated Tungsten Electrodes - 10 Pack 

• WZ8 0.8% Zirconiated Tungsten Electrodes (AWS classification EWZr-1) contain a minimum of 99.10 per cent tungsten and 0.15 to 0.40 per cent zirconium.
• Most commonly used for AC welding Zirconiated tungsten produces a very stable arc and is resistant to tungsten spitting.
• It is ideal for AC welding because it retains a balled tip and has a high resistance to contamination.
• Its current-carrying capacity is equal to or greater than that of thoriated tungsten.
• Zirconiated tungsten is not recommended for DC welding.