RPC - Seal Defects (Incomplete)

Classification 

  • A critical defect.

Identification 

This is a portion of the seal that has a lack of adhesion between lid and body. This defect appears as a very faint sealing head impression on the seal.

Causes 

  1. The seal area was contaminated.
  2. The sealing head settings were not correct (i.e. insufficient pressure/temperature/dwell time).