RPC - Seal Defects (Seal-width Variation)

Classification 

A major defect if the width of the continuous bonded seal is reduced to less than 3 mm (3/32-inch).
A minor defect if there is 3 mm (3/32-inch) or more of continuous bonded seal.

Identification 

This is a seal that has less than specified seal width.

Causes 

  1. The lid stock was not placed properly on the container under the sealing head.
  2. The sealing head was misaligned.