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SIG DuraShield Laminate

SIG DuraShield Laminate 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.


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 Properties Test Reference Typical Value
Tensile Strength ASTM D-882 MD: 8000 g/25mm | TD: 9000 g/25mm
Elongation at Break ASTM D-882 MD: 125% | TD: 80%
Puncture Resistance ASTM D-3420 1600 g
Oxygen Transmission ASTM F-1927 0.8 cc 100% O2/m2/day
Optical Density Tobias Densitometer N/A
Kinetic COF ASTM D-1894 0.12