It features a flange with graduated thickness, thin at the outer edge and thicker toward the zipper tracks. The added thickness at the primary seal is said to ensure troublefree performance when the zipper is heat-sealed to the packaging film. Zipper is made from FDA-accepted resins.
Presto Products: Meat package zipper
Fresh-Lock® zipper from Presto Products (Appleton, WI) is designed for the specific challenges of packaging processed and sliced meats on thermoform/fill/seal equipment.
Jan 31st, 2002
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