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Cocked Cap
A cocked cap is usually due to a problem with the capping process or a cap or container problem.
The gap created can cause overheating and the cap itself may actually jam the container under the
sealing heads causing the liner to overheat severely.
Torque Issues
One of the most common causes of poor or inconsistent sealing is an improperly torqued cap.
Whether the torque is too low or too high, the end result is usually an air gap between the lip of the
container and the liner material. This air gap will usually cause overheating of the liner, but at the
very least will create a gap too large for the polymer to fill.