Materials:
| Time To Complete: 45-60 minutes. (not including 8 hours of curing) |
 | Mix 75 grams of Ecoflex 00-30 according to package instructions and degas the rubber. |
 | Carefully pour the rubber into the mold. Wait 4 hours for the rubber to cure. |
 | Remove the rubber from the mold. |
 | Puncture each end of the bladder and insert a short hose, at least 2 inches long. This allows the pressures to equalize when the mold is placed in the rubber. |
 | Make the second mold by tracing the plastic mold with hot glue, leaving about 0.25” on each side. Once cool, retrace over your existing glue to make the walls slightly taller. |
 | After the glue cools, pour a small batch of rubber into the mold. A good depth indicator is the metal nib on a Bic Pen.
Place the molds cavity side down in the rubber. Wait 4 hours for the rubber to cure.
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Remove the rubber, separate the bladders, trim the edges, and inflate. (Optional) If one side of a bladder inflates before the rest, paint it with more rubber. Allow the rubber to cure and re-inflate. Repeat until the bladder inflates evenly. |
