Portasol pp75 plastic welding kit portasol 011289220 p with the portasol pp75 plastic welding kit you can weld plastic parts together or repair broken plastic parts easily and quickly p p applications include boats cars model construction toys etc almost everywhere plastics are used p p the kit includes a tool with a welding head heated by butane gas the tool operates at the correct temperature to melt the plastic without burning parts can be welded by simply heating them or