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essco glass molded vials crimp neck Types of Aluminum Crimp Seals

Flip-Off Seals
A seal with a plastic Flip Off button that must be activated to expose the injection site.

Flip-Off-Tear-Off Seals
A seal combining the features of the Flip Off seal with the removability of Complete Tear Off seal.

Centre-Tear-Off Seals
A seal with a bridged Tear Out tab protecting the target area that must be removed to expose the injection site.

Complete-Tear-Off Seals
An all-aluminium seal with Tear Out tab that allows the complete removal of the closure prior to or after use.