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Seal Strength - ASTM F88

The force required to separate a one inch wide heat seal. Seal strength is a measure of the ability of a package seal to resist separation. Seal strength data can be useful for setting sealing parameters.

One-inch wide test specimens are cut from a sealed package and placed in a tensile test machine. The specimen is pulled in tension and the force required to separate the specimen is recorded.

Seal Strength Test