At approximately 1.3 x 3.2 x 250 mm long, these aluminum welding rods are engineered to be just the right length for easy handling, allowing you to repair more with less waste. Our silver HVAC accessories have a solid phase line temperature of 1193°F / 645°C, and our products have a liquid phase line temperature of 1472°F / 800°C. A recommended joint of 0.002 inches / 0.006 inches, and a fluidity rating of 3, make these copper soldering rods very efficient. The welding rod has excellent weldability, insulation resistance, and is easy to use, simple operation, perfect for beginners or professionals. Please wear a protective mask to avoid damage from zinc gas. Low-temperature universal welding rods are made ofare made of high-quality material, with good weldability, high thermal conductivity, high electrical conductivity, good processing performance, and long service life. Before use, the application area and material must be thoroughly cleaned to remove grease, oxides, or other contaminants. Our package contains 50 industry low temperature welding rods, whether you are a beginner or an experienced welder, this set can meet your welding requirements. It help you get the right. Low temperature universal welding rods are suitable for a variety of metals, but not for welding iron or steel parts. Ideal for brazing copper-to-copper and brass-to-bronze joints in air conditioners, freezers, evaporators, heat exchangers, and other equipment.Whether it is a professional welding project or daily repairs such as household tools or water pipes, these welding rods can meet your needs., Manufacturer: Akfldms