IPAK TECH — polypropylene bag library

A visual library explaining CPP (CAST), OPP, wicket bags, Euro slots, seals, perforation and bag measurement.

IPAK TECH 021

CPP (CAST) versus OPP

How a manufacturer selects film

How a polypropylene bag is produced

Euro-slot bag construction

Seal types used in bags

How to measure a bag correctly

Perforation and ventilation

Selecting film thickness