Closure Assemblies

Closure Assemblies

Closure Assemblies

At Saint-Gobain, we manufacture the highest quality closure assemblies, including sonic welded liners, glue-fit liners and press-fit liners, for customers world-wide.  We can produce standard closures ranging from 8 to 89 millimeters in diameter, or we can make custom closure assemblies that will meet your exact specifications.  All of our closure assemblies are produced in our ISO 9001, ISO 14001 and OHSAS 18000 certified facilities, giving us the in-house capability to help you develop, modify, manufacture and ship your orders quickly.  


  • Cell Culture - Fully automated mechanical bonding of septa liner to the closure eliminates contamination.
  • Chromatography - Autosampler closure, liner and vial assemblies enable a consistent, perfect fit every time.
  • Environmental - Chemical resistant closures and liners with PTFE faces and low durometer ensure low extractables for accurate analysis.
  • Medical and Pharmaceutical - A white room is available for assembly and packaging.

Learn more about High Purity Closures

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High Purity Specialty Packaging Datasheet
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High Purity Specialty Packaging Datasheet

Saint-Gobain can manufacture custom liner solutions, including slit liners and container closers, in any diameter, color, thickness and durometer.  

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