Tamper Evidence Spreads Into Categories That Never Required It
Chilled prepared foods, delicatessen products and fresh salads have moved toward visible tamper evidence, driven by retailer policy and by product safety incidents rather than by any single regulation. On a round closure this is trivial, since rotation breaks a band. An oblong lid does not rotate, so evidence must be engineered as a hinged flap or frangible strip at a corner or edge, competing for space with sealing geometry already under stress. The segment compounds at 7.8% against a market at 5.2%, and it demands tooling capability rather than material change.
Market Impact: Shelf density advantage reaching 27








