Hot Air Plastic Welding: Nitrogen vs. Air

This video demonstrates why nitrogen hot air plastic welding is superior to regular hot air welding.

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Click here: //www.youtube.com/watch?v=z54NZ-RLdIg

Video Notes:

• English Closed Captions have been provided for this video. Click on the CC button to turn them on or off.
• The length of this video is in no way representative of the actual time required to perform a complete repair and therefore should not be used for estimating purposes.

English Transcript:

This video demonstrates why nitrogen hot air plastic welding is superior to regular hot air welding. Notice how much smoke is generated with regular hot air plastic welding and how little smoke is generated with nitrogen welding. Notice also the glowing, burning plastic with regular hot air welding. Nitrogen acts like a shielding gas to prevent the burning and oxidation when using just air.