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You can buy a specific heat gun for plastic welding for about $50. I would try the gun you have using plastic welding rod from Harbor Freight ($5.99). The rod package comes with a variety of materials for different plastics. You can experiment with just the rod to see at what temperature setting it melts. You may want to sand off the paint in the damaged ...


The problem with plastic welding with a heat gun is the concentration of heat, I think you allude to this in your post. When/if you can concentrate a heat gun's output on a small area and concentrate the heat you can get the level of heat that's required to melt the crack along a 'bead'. The tip that's required will often back up the heat in the gun and ...

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