Why does a plastic water bottle suck inward on …
Why does a plastic water bottle suck inward on itself with it being full of water and unopened for years Answered Tags water bottle Discussions The forums are retiring in 2021 and are now closed for new topics and comments 0 rickharris Best Answer 9 years ago PET plastic isn t necessarily gas proof long term but it would take some external lack pressure to suck air out I go with