The subject collection / 2 articles

Packaging materials

Compare material claims under stated conditions.

A note on this collection

A film or coating specification needs to describe the finished package and its intended use. A supplier result can guide a trial, but a different substrate, print stack or test endpoint may change its meaning. Read the method and the sample description before comparing the headline value.

The seal-initiation article explains why hot tack, cooled strength and package integrity answer different questions. The metallic-coating analysis separates Stahl’s announced portfolio from the validation of a decorated carton. Neither article provides a universal processing setting or a legal approval.

Read the editorial policy for how sources, company claims and generic illustrations are handled.