Failure Lab
Why is my liner leaking?
The film is pierced, stressed at a seam or fitment, or not suited to the product or temperature.
Possible causes
- Sharp edges or debris in the outer container
- Liner too small, stretched at corners
- Fitment not seated
- Film chemistry incompatible
What to inspect
- Inside of the outer container
- Liner size vs. container
- Fitment seal
Potential corrective actions
- Clean and check the outer before inserting
- Match liner size and gauge
- Confirm film compatibility
Related
Educational only — not engineering or regulatory advice. If there's a safety risk or hazardous material involved, stop use and consult a specialist.