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SIG HyBar Laminate

SIG HyBar Laminate 28 is a three-layer, MPET thermal laminate that works well for bag-in-box applications requiring barrier to oxygen and UV.

  • Ideal for light-sensitive products
  • Available in gauges from 2.8 mils to 4.5 mils

Product Specifications

Known Process Applications


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.


2.8 mils




Oxygen Transmission Rate (OTR)

Film Process


Regulatory Compliance

Complies with USFDA and EU food contact regulations.

Scholle IPN Ourolac LactoProMorango FundoBranco bag-in-box
FourMountains lemonade squeezed Fruit Juice bag-in-box
FourMountains Meal Replacment bag-in-box

Performance Data

Performance Properties Test Reference Typical Value
Tensile Strength ASTM D-882 MD: 8500 g/25mm | TD: 7800 g/25mm
Elongation at Break ASTM D-882 MD: 140% | TD: 170%
Puncture Resistance ASTM D-3420 1400 g
Oxygen Transmission ASTM F-1927 0.6 cc 100% O2/m2/day
Optical Density Tobias Densitometer A 2.75
Kinetic COF STM D-1894 0.10