Why Tray Seals Fail: 12 Causes of Leaks, Wrinkles and Poor Peel
Why Is the Lidding Film Not Sealing?Lidding film not sealing is usually caused by one or more of 12 root problems: incompatible materials, reversed film, incorrect temperature, incorrect dwell time, uneven pressure, flange contamination, damaged trays, defective tooling, unstable film tension, overf
Lidding Film Compatibility Chart for CPET, APET, PET/PE and PP Trays
Lidding Film Compatibility Matrix for CPET, APET, PET/PE and PP TraysThe correct lidding film is selected by matching its heat-seal layer to the material exposed on the tray flange—not simply to the material named on the tray specification.This distinction is especially important when sourcing liddi
CPET Tray Regulations and Standards: FDA, EU & PPWR Guide
Learn the key CPET tray regulations for U.S. and EU food packaging, including FDA requirements, EU 10/2011, migration testing, GMP, recycled PET rules, PPWR and supplier compliance documents.
