RPC - Seal Defects (Contaminated)

Classification 

  • A major defect

Identification 

Foreign material is trapped in the seal area, such as, but not limited to, water, grease, or food. A package with contamination will have a noticeable raised area in the seal where the sealing head has sealed over the contamination.

Causes 

The seal area was contaminated during the filling stage and/or during the sealing if vacuumed.