Quote Originally Posted by Ropey View Post
Am I right to assume that high altitude lighters are better constructed to withstand higher vapor pressures inside the lighters at high altitudes?

My follow up question would be: could those lighters hold isobutane at sea level without the potential of rupture due to their better interior construction?
Sorry for the huge delay, but it took emails to 4 different reps to find an answer to this question. According to my rep at Colibri:

" Isobutane it is very unstable at any altitude and should never be used in a butane lighter"