PB - Seal Defects (Misaligned/Deformed)


  • Is considered a major defect when the seal width is reduced to less than 3 mm (3/32-inch).
  • Is considered a a minor defect when the seal width has 3 mm (3/32-inch) of bonded seal present.


This is a seal that is not formed in a continuous, straight line.


  1. Sealing edges of the packaging material were misaligned during the longitudinal sealing operation.
  2. The transversal sealing jaws were misaligned.
  3. The package was not placed properly within the sealing jaws during transversal sealing operation.