How do you weld plastic to plastic?

Step 1: Identify what type of plastic you are welding. Step 2: Scrape back the outlay layer of plastic and create a V groove to weld into. Step 3: Tack weld the two plastic parts together with a plastic welding tacking tip or a soldering iron. Step 3: Conduct plastic weld using either a speed weld or a pendulum weld.Click to see full answer. Also to know is, can you weld plastic together?Using your soldering iron to weld plastic is not limited to repairs: you can weld plastic for fabrication and even artistic purposes. Push the two pieces of plastic together and hold them there while you run the soldering iron tip along the seam until the two pieces of plastic are partially melted together.Subsequently, question is, what types of plastic can be welded? Plastic Welding. Plastic Welding is a fabrication process that many people in the general public do not know even exist. You can weld many plastics such as Polypropylene, High Density Polyethylene (HDPE), PVC, CPVC, ABS and even Lexan or polycarbonate together using several basic welding techniques. Accordingly, how do plastic welders work? With speed welding, the plastic welder, similar to a soldering iron in appearance and wattage, is fitted with a feed tube for the plastic weld rod. A version of the speed tip “gun” is essentially a soldering iron with a broad, flat tip that can be used to melt the weld joint and filler material to create a bond.How do you join two pieces of plastic together?To glue plastic together, start by selecting the right glue. Find the recycling symbol on the plastic, which will have a number in the middle. If it’s a 6, use a poly cement or epoxy. For 2, 4, or 5, use plastic glue, such as Loctite Plastics Bonding System or Scotch Weld DP 1080.