PackExpo 2023 – Las Vegas, NV
Testing equipment for measuring seal strength.
This is a useful measure to help predict the final integrity of a package along with the packaging processes’ ability to produce consistent seals, especially those made from thin plastic sheets or similar flexible material. The test is a combination of a tensile test and an adhesive test.
Applications that require evaluation of heated seals should be prepared using a suitable heat sealer with the provision to control the temperature, dwell time, and pressure of the sealing dies as this can affect the ultimate strength of the heat seal.
ASTM F88 is the most common test method used to measure and quantify the strength of the seal of flexible materials.
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