Definition
Bonding two or more webs (films/foil/paper) to create a single structure with combined barrier, strength, and seal properties.
Applications
- Stand-up pouches
- retort packaging
- barrier roll stock
- medical pouches
Benefits
- Combines best properties of each layer
- Improves durability
- Enables premium graphics via reverse printing
Industry Examples
- Medical: laminated webs tuned for peelable seals and sterilization compatibility.
- Industrial: nylon/PE laminates for puncture and abrasion resistance.
- Electronics: combines conductive, barrier, and sealant layers into a single ESD shielding laminate.
FAQ
Q: What causes delamination?
A: Poor surface prep, wrong adhesive, inadequate cure, or contamination.
Q: How do you choose an adhesive?
A: Based on substrate pair, end-use temperature, and compliance needs.