Packaging Glossary
XIYONG PACK is a custom flexible packaging manufacturer in China specializing in coffee packaging, food packaging, recyclable pouches, stand-up pouches, and BOPP film solutions.
Quick Answer
This glossary defines common flexible packaging terms that buyers see when comparing films, pouches, printing, barrier performance, and supplier quotations.
BOPP
Biaxially oriented polypropylene film used for clarity, stiffness, printability, labels, wrapping, and flexible packaging lamination.
CPP
Cast polypropylene film often used as a heat-seal layer or inner layer in laminated flexible packaging structures.
OTR
Oxygen transmission rate; a measurement used to compare oxygen barrier performance of packaging materials.
WVTR
Water vapor transmission rate; a measurement used to compare moisture barrier performance.
Mono PE
A polyethylene-based packaging structure designed to support a recyclable packaging direction.
Rotogravure
A high-volume printing method using engraved cylinders for consistent color and repeat packaging production.
Digital Printing
A printing method useful for samples, short runs, and low MOQ projects without traditional cylinder cost.
Barrier Film
A film structure designed to reduce oxygen, moisture, aroma, grease, or light transmission.