Yes, you can repair plastic with zip ties by melting them into channels around cracks in the plastic. This process is called "zippy plastic welding"
Plastic items are in all homes and workshops. You can easily fix broken and cracked plastic items and parts instead of throwing them in the trash. With normal plastic zip ties and using method for plastic welding and plastic soldering it is easy to repair. If you are wondering how to fix broken plastic, be sure to watch this plastic repair video where I will show you how to repair your broken plastic parts using the plastic welding method of zip ties.