Plastic Welding Rod

1. Extruded PVC Welding Rods These rods are produced by forcing heated PVC through a die to create long strands of material. They typically exhibit uniform diameter and smooth surfaces, making them easy to handle and apply during welding. Extruded rods are widely used due to their availability in various sizes and the ability to blend seamlessly with molded PVC products.

2. Cast PVC Welding Rods Made from a casting process, these rods are often thicker and have a more varied diameter compared to extruded ones. They may also feature different physical properties, allowing for specific applications where stronger welds are necessary.

Welding PVC using welding rods involves several steps. First, surfaces to be joined must be clean and dry to ensure proper adhesion. Next, the welding rod is heated to the appropriate melting point, which typically lies between 260°C to 300°C (500°F to 570°F).

Once the rod reaches the correct temperature, it is applied to the joint between two PVC surfaces. As the rod melts, it fills the gap and fuses with the base material. The use of a welding gun or extruder can help control the heating process and provide an even application. Post-welding, the joint must be allowed to cool and set, creating a strong and cohesive bond.