Is Ripstop Nylon Suitable for Gas-Proof Balloon Envelopes?

[GTeclips]

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

 

[Enthalpy]

Latex is known to leak a lot, don't use it.

PU is at least mechanically strong.

 

[GTeclips]

Thank you Enthalpy, I will tell you how poly works for me.

 

[rexol]

why use isn't ripstop nylon have sufficient gas permeability resistance?

 

[alphy]

I can provide some insights on whether ripstop nylon is suitable for gas-proof balloon envelopes. Ripstop nylon is a lightweight and durable fabric commonly used in outdoor gear such as tents and sails. It is known for its strength and tear-resistance due to its unique weave pattern. However, when it comes to gas-proof properties, there are a few factors to consider.

Firstly, ripstop nylon is not inherently gas-proof. It is a porous material, meaning it has tiny holes that allow air and gases to pass through. Therefore, to make it suitable for gas-proof balloon envelopes, it would require some additional treatment.

One option is to coat the ripstop nylon with a gas-proof material such as liquid latex or polyurethane. Both of these substances have the ability to create a barrier that prevents gases from passing through the fabric. However, it is important to note that the effectiveness of this method may vary depending on the thickness and quality of the coating.

Another factor to consider is the durability of the coating. Balloons are subjected to various environmental conditions, such as temperature changes and UV exposure, which can weaken the coating over time. Therefore, it is crucial to choose a coating that can withstand these conditions and maintain its gas-proof properties for an extended period.

In conclusion, while ripstop nylon can be a suitable material for gas-proof balloon envelopes, it would require additional treatment and careful consideration of the coating's durability. I suggest conducting some testing and research on different coating options to determine the most effective and long-lasting solution for your project. Best of luck!