Seconded - there is no good way to estimate the lifespan/built up stress in the plastic nondestructively.
I do know that without proper sterilization a bottle will only last (food grade) once or twice. I also know that many sterilization methods break down plastic bottles, so they have a limited lifespan in that sense too.
Discussions
9 years ago
I doubt there's a better answer than "until it fails"...
Answer 9 years ago
Seconded - there is no good way to estimate the lifespan/built up stress in the plastic nondestructively.
I do know that without proper sterilization a bottle will only last (food grade) once or twice. I also know that many sterilization methods break down plastic bottles, so they have a limited lifespan in that sense too.