| 1. Draw a template on a piece of cardboard or download the tpe balloon template and cut it out. Note, this step can be performed on any material with enough thickness to be able to feel when it is pressed up against the impulse sealer. |
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| 2. Take piece of thermoplastic elastomer (TPE) and fold it around template. |
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| 3. Impulse seal the exposed edge. |
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| 4. After impulse sealing, the exposed edge should look like this. |
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| 5. Impulse seal both angles at the tip of the template. |
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| 6. After impulse sealing, the tip should look like this. |
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| 7. Remove cardboard template and cut away excess material. Cut open the tip such that a tube can fit in the opening. |
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| 8. Insert tubing into opening at the tip such that 1-2cm of tubing is sticking out. |
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9. Apply glue to exposed tube, push tube into the TPE opening and roll the plastic around the tube until it is sealed on all sides.
| 10. Invert balloon. |
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| 11. Impulse seal the open end. |
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12. Finished balloon.
 | srt_tpeballoon_template.pdf | 51 KB |