Are the canisters for isoButane (empty weight) heavier than other Butane mixes?
I'm planning to use a butane "canister stove". The only canisters I can find locally are Butane/Propane mixes.
My understanding is that Propane canisters are extra heavy b/c Propane is under higher pressure.
Are Butane /Propane canisters heavier then other Butane mixes?
This post was sourced from https://outdoors.stackexchange.com/q/11844. It is licensed under CC BY-SA 3.0.
1 answer
Yes.
The vapor pressure will increase significantly the more propane is in the mix. More pressure means that a thicker/more resillient canister is needed to withstand it.
As you can see even with the most common 30/70 mix, the pressure is doubled or trippled depending on temperature.
IsoButane has a greater vapor pressure than butane (Although only slightly) - which will also translate to a slightly heavier canister.
This post was sourced from https://outdoors.stackexchange.com/a/13166. It is licensed under CC BY-SA 3.0.
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