Aluminum brazing fluxis a type of chemical product, mainly composed of potassium acid and similar ingredients, categorized into corrosive and non-corrosive types. To help more people become familiar with it, let's introduce the characteristics of aluminum brazing flux.

When using aluminum brazing flux, its characteristics are quite clear. For example, it has good fluidity, is hygroscopic and corrosive, and the residue is easy to clean up, making it easy to handle manually. Moreover, when using aluminum brazing flux, it remains very fluid, hygroscopic, and corrosive. These aspects are well done; importantly, it has a low brazing temperature and smooth, full weld seams. The residue is easy to clean. Its application range includes brazing aluminum and aluminum alloys with aluminum-based filler materials using manual flame brazing and automatic flame brazing. Additionally, it's important to note that aluminum brazing flux is a white powder with a particle size of ≤150um and a density of about 1.3-1.4g/cm. Workers should also master its application methods. For instance, during brazing, the flux and filler can be placed at the welding site beforehand and heated simultaneously with the workpiece.Aluminum brazing fluxDuring operation, it's also important to know that it approaches the brazing temperature. Then manually feed the flux-coated welding wire into the welding area.

Additionally, aluminum brazing flux uses a porous welding nozzle with a reducing flame for uniform heating; this is to avoid direct heating of the flux and filler materials to prevent oxidation of the base material. This ensures smooth welding operations and results in high-quality weld seams. It's also necessary to know its cleaning method: soak in water at 50-60℃ and then scrub carefully. For complex structures, after the filler solidifies, you can plunge the welded piece into water for rapid cooling; this is due to the explosive effect of vaporizing water molecules causing the residue to crack and fall off, which also dissolves soluble parts of the residue. However, when putting it into water, the temperature of the welded piece should not be too high to avoid deformation or cracking.

The above content introducesAluminum brazing fluxits characteristics. I hope that after reading this, you will have a further understanding of it. If needed, feel free to contact us anytime. We will discuss its advantages in the next issue.