Depending on the application area, welding fluxes are classified into several types. Below are some common types:
1. Acidic Fluxes: Primarily used for welding stainless steel, glass, platinum, and other materials. These fluxes are typically boric acid or fluorides.
2. Basic Fluxes: Primarily used for welding structural steel, carbon steel, and other materials. These fluxes are typically alkali metals or alkaline earth metals.
3. Neutral Fluxes: Primarily used for welding metals such as copper and aluminum. The main components of these fluxes are aluminosilicates, etc.
4. Oxidizing Fluxes: Primarily used for copper and copper alloys. They can push the molten pool to the top of the joint, resulting in better sealing of the copper within the joint.
