welding effect with smooth and full joints, thanks to the internal powder and low melting point. Convenient and easy to use; no need for additional flux powder—simply open the package and start welding! Ideal for welding aluminum and copper joints in , reactors, and various household appliances. Versatile application for radiators, motors, batteries, and Gases conditioning systems, ensuring strong and durable connections. Available in multiple lengths (1/2/3/5 meters) to suit different project needs, with a diameter of 2.00mm for precise welding., Manufacturer: GENTERUN