OTR and WVTR for Food Packaging: How to Match Barrier Targets to Shelf Life
Learn how OTR and WVTR test conditions, product sensitivity, storage climate and finished-pack validation affect food packaging shelf life decisions.
Published: 2026-07-13
Article Summary
This article is a custom flexible packaging purchasing and technical guide covering material structures, printing processes, quality control, cost composition and supplier selection.
Key Topics Covered
- Material structure and barrier performance
- Printing process and artwork preparation
- Sealing, filling and pouch-making quality
- Quality control, testing standards and batch inspection
- Cost composition, cylinder fees and quotation factors
- MOQ, samples and lead time management
Practical Buying Checklist
- Product type
- Size / Dimensions
- Material structure / Thickness
- Printing colors
- Quantity
- Packing machine type
- Shelf life and storage requirements
- Target market and compliance requirements
Related Packaging Guides
- How to Choose Food Packaging Materials for Custom Flexible Packaging
- Stand Up Pouch or Flat Bottom Pouch for Chocolate, Nuts and Snacks?
- How to Prepare Print-Ready Artwork for Custom Pouches
- Flexible Packaging Filling and Sealing Problems: A Buyer Troubleshooting Guide