GREEN-PURE TUNGSTEN The original pure tungsten electrode contains at least 99.5% tungsten and delivers all of the properties classically associated with tungsten - superior conductivity, durability, and performance. No adding any rare earth oxides, the electron emission capability is the smallest, so it suits for AC welding of heavy load conditions only, such as aluminum and magnesium alloy welding. AWS CERTIFIED AMERICAN Welding Society standard AWS A5.12M/A5.12:2009 conformance. Ensure the premium quality, give you a better welding expierence. PROFESSIONAL PACKING By checking the color of the outer packaging, you can quickly and easily distinguish the color and model of tungsten electrodes, saving your time and reducing the possibility of errors. Vacuum packing, no oxidation, achieving long time preservation. APPLICATIONS