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bodypilot90

teardrop container ?

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That looks like the urethane coating peeling away from the inside of the Cordura (nylon fabric) container.
Urethane was originally applied to water-proof the fabric (i.e. if it was intended to make rucksacks for a rainy climate).
Water-proofing is not an important factor in parachute container design. Think about how many holes - in parachute containers - allow rain to enter.
Fortunately, peeling urethane has little short-term affect on parachute container serviceability.
In the long run, peeling urethane will allow the weave to separate, but that takes hundreds (or thousands) of jumps to make a difference.

More modern containers use a padded parapack - or Oxford cloth - lining to protect the urethane coating. Similarly, the latest fashion in hiking packs includes a layer of (silicone-coated) ZP canopy fabric to protect the urethane coating.

In conclusion, peeling urethane coating may be ugly, but will not significantly affect the operation of your container for another 500 jumps.

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