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A preform is a pre-shrunk “container” made from shrink sleeve material and a basecap or adhesive label. The preform is especially designed to exactly fit any vial.

Added value of this concept:

– protection against breakage of vial,

– encapsulation of contamination on outside of vial,

– prevention of possible tampering with labels,

– tamper evident closure on caps of vials,

– guaranteed originality because of unique print,

– UV-blocking concept possible,

– opaque preforms for clinical trials.

Preforms are placed up on a conveyor by an operator and filled vials are placed in to the preform. The preform with vial is transported through a hot air tunnel which finalizes the product by shrinking the sleeve to fit.

All our preforms are produced in our validated, airconditioned cleanroom.