It is common practice to inject epoxy into the rear of a ferrule until a small bead of epoxy is observed exiting the ferrule tip. This is an effective way to ensure that the entire ferrule hole has been filled with epoxy prior to inserting fiber.

READ FULL BLOG ARTICLE HERE: The processes involved in Termination play a CRITICAL role in determining the long-term reliability of the product

Answered by Fiber Optic Center Technical Team