Is Ripstop Nylon Suitable for Gas-Proof Balloon Envelopes?

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Discussion Overview

The discussion revolves around the suitability of ripstop nylon for creating gas-proof balloon envelopes, focusing on methods to enhance its gas impermeability. Participants explore various coating options and their effectiveness in preventing gas leakage.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant expresses interest in using ripstop nylon for balloon envelopes but is uncertain about how to make it gas-proof, considering coatings like liquid latex and polyurethane.
  • Another participant warns against using liquid latex due to its known tendency to leak, suggesting that polyurethane may offer better mechanical strength.
  • A participant indicates they will share their results regarding the effectiveness of polyurethane after testing.
  • There is a question raised about the inherent gas permeability of ripstop nylon itself, suggesting it may not be sufficient without additional treatment.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the best approach to make ripstop nylon gas-proof, with differing opinions on the effectiveness of various coatings and the material's inherent properties.

Contextual Notes

There are unresolved questions regarding the specific gas permeability characteristics of ripstop nylon and the effectiveness of different coatings, as well as potential limitations in the proposed methods.

GTeclips
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Hello all!

I am looking to begin working on some balloon testing. I have a general idea of how I'm going to perform this. For the balloon envelope, I wish to use ripstop nylon, but I have no clue what would be the best way to make it gas-proof? I have considered coating it with both liquid latex and polyurethane, but I don't want to make a mistake.

Do any of you have a suggestion how to do this?

Thank you, GTeclips
 
Engineering news on Phys.org
Latex is known to leak a lot, don't use it.

PU is at least mechanically strong.
 
Thank you Enthalpy, I will tell you how poly works for me.
 
why use isn't ripstop nylon have sufficient gas permeability resistance?
 

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