Previous Blogs

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By Mike Schaefers

February 06, 2020

Our team will share their expertise and introduce several new and innovative pharmaceutical containment and closure offerings during the Paris Pharmapack trade show.

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By Jia Min Boo

April 25, 2018

Customers  frequently ask: Do we need to wash secondary closures, such as West Flip-Off® seals? Like so many questions, the answer is “it depends”. But in general, the answer is “no”.

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By Simon Meurer

December 11, 2017

Uninterrupted production on a high-speed filling line is a challenge. To help make this easier, West has developed Flip-Off® seals. Flip-Off seals are produced with the highest quality aluminum and plastic materials, and the TruEdge® manufacturing process.

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By JiaMin Boo

August 03, 2017

The right seal is essential for proper drug product vial closure. West offers a wide range of Flip-Off® seal (FOS) products to meet customers’ varying requirements. Three grades are available for crimping needs in varying environments:

  1. Standard Flip-Off® seals: for consistent, reliable crimping outside controlled environments
  2. Flip-Off® Plus seals: for clean crimping under grade A air supply
  3. Flip-Off® Clean, Certified, Sterilized (CCS) seals: for aseptic crimping inside grade A environments.