Seal Strength Testing of Flexible Plastic Packaging

G1008 film grips gripping onto both sides of a test sample during a T peel test

Package seal strength testing is used to measure the peel separation force of two flexible materials that are bonded together. This test is also called a T-Peel test.

 

Applications

  • Testing the seal on a sterilization pouch (Sterile Barrier System).

  • Test the seal on food packaging

    Purpose

    • Confirm the reproducibility of the sealing process. Create a baseline to screen for changes negatively affecting the packaging seal.

    • Determining if hot tack is creating a good seal.

    • Adherence to design specifications

    • Ease of opening for the user.

    • Determine the packaging's ability to protect product with the package.

    Standards

    • ASTM F88/F88M Standard Test Method for Seal Strength of Flexible Barrier Materials

    • ASTM D1876 Standard Test Method for Peel Resistance of Adhesives (T-Peel Test)

    Equipment 

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