Comment by legohead 7 years ago is mylar special? a good mylar balloon can float for weeks 2 comments legohead Reply joezydeco 7 years ago It's not special, just less porous compared to latex. Mylar balloons still lose gas after time. namibj 7 years ago It's the aluminium on the mylar.
joezydeco 7 years ago It's not special, just less porous compared to latex. Mylar balloons still lose gas after time.
It's not special, just less porous compared to latex. Mylar balloons still lose gas after time.
It's the aluminium on the mylar.