Copying familiar film layers without defining their functions
Packaging expertise
Material Structures
A material structure should begin with the functions the film layers must perform. Appearance and print, barrier or controlled transmission, toughness, stiffness, machinability, sealing, and product contact can be delivered through the appropriate lamination, coating, or coextrusion for the application.
PROJECT FOCUSDefine the job of the film layers before naming the materials.
What the specification must resolve
What to confirm before production.
Start with the functions the package must deliver: appearance and print, barrier or controlled transmission, toughness, stiffness, machinability, sealing, and product contact. Then determine how those functions should be delivered through the appropriate lamination, coating, or coextrusion for the application.
Learn how flexible packaging film layers work togetherKey considerations
- Print surface, appearance and durability
- Barrier or controlled transmission
- Sealant and product-contact requirements
- Gauge, stiffness, toughness and flex
Common applications
- Adhesive laminations
- Extrusion laminations
- Coextruded films
- Coated films
Where projects go off track
Confirm these details early.
Changing a film layer without checking the bond, sealant and product interaction
Comparing nominal gauge without comparing stiffness, toughness and converting behavior
01Define the evidence and failure risk
02Separate product, material and process variables
03Test, document and approve the decision
A common question
Does the number of film layers determine performance?
No. Performance depends on the materials, coatings, gauges, interfaces, conversion quality, package geometry and application. Define the required functions first, then select and verify the appropriate film construction.
Continue the project
Connected packaging decisions
Let’s solve it together
Bring us the technical question.
Share the product, package, line information, and evidence you have. We’ll help apply material structures thinking to the actual decision.