SN Expiration

[ifiweretopickascene]

I need a hard expiration date for N so I know. I have a complicated plan that may take years, but I want to grab it before I can't so I can ensure it will work this time. If I vacuum seal, which I plan to, how long might that extend my time? Thank you for your time. I do not need criticisms as you have no idea what the plan entails.

 

[pthnrdnojvsc]

i'm going to take a sealed bottle of SN and put it in a mylar bag and vacuum seal

Mylar is less permeable to gasses than other materials imo. That's why you see mylar helium balloons last longer than other types.
Here's a quote from this article : " It's mind boggling to hear that some of you had a balloon for 30 years or more!"

How long do mylar balloons stay firmly inflated?

Can a mylar balloon stay firmly inflated for years, or is its life much shorter? THIS APPEARS TO BE A NON- HELIUM BALLOON. Thanks, Marc How long do mylar

www.balloon-decoration-guide.com

Thicker mylar better of course at leas 7 mil imo, for my SN to infinity and beyond

Permeability and plastic packaging

When we say that a material or packaging has a particular gas permeability, for instance oxygen, it gives us an idea of the amount of gas molecules that pass over the surface of the material or packaging. Although in daily life there is a common perception that plastics are “waterproof” this is...

www.aimplas.net