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DuraShield 34

DuraShield™ is a clear, three-layer, thermal laminate film that was developed to provide strong seals, extraordinary bag toughness, and superior flex-crack resistance.

  • Aseptic-capable
  • EVOH co-extruded film for oxygen barrier with BON for durability
  • Available in gauge range from 3.4-5.0 mils

Product Specifications

Known Process Applications


Fills heated, commercially-sterile product in non-sterile packaging. Can reduce product taste and texture.

Clean Fill (Ambient)

Occurs when a product is filled into a package with no additional sterilization treatment.

Ultra-Clean (ESL)

Uses UV, laminar flow, and/or hydrogen peroxide to achieve high sterility levels for short shelf-life products.


Fills commercially-sterilized products into pre-sterilized packaging. Products can be held unopened without refrigeration.


3.4 mils




Oxygen Transmission Rate (OTR)

Film Process


Regulatory Compliance

Complies with USFDA and EU food contact regulations.

Winesmiths SauvignonBlanc Bag-in-Box Packaging
FourMountains lemonade squeezed Fruit Juice bag-in-box

Performance Data

Performance PropertiesTest ReferenceTypical Value
Tensile StrengthASTM D-882MD: 8000 g/25mm | TD: 9000 g/25mm
Elongation at BreakASTM D-882MD: 125% | TD: 80%
Puncture ResistanceASTM D-34201600 g
Oxygen TransmissionASTM F-19270.8 cc 100% O2/m2/day
Optical DensityTobias DensitometerN/A
Kinetic COFASTM D-18940.12
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