Migration Tests 101: What It Is, When To Use, And How To Choose | Bioleader® Guides

PP lids are recommended when the buyer needs stacking strength, takeaway handling, and delivery stability. PET lids are suitable when product visibility is important for chilled salads, supermarket display, deli counters, and grab-and-go food programs. The final choice should match menu type, display needs, transport distance, and brand positioning.

Paper lids are recommended when the buyer wants a consistent kraft or white paper packaging appearance. PP lids are practical for hot food handling, microwaveable use, stacking, takeaway, and delivery. PET lids are suitable when product visibility is important for chilled salads, sushi-style meals, supermarket display, and grab-and-go food programs.

Yes — migration tests. In many takeaway meal applications, they perform better because the foil liner helps improve leak resistance and barrier performance against oil, dressing, and moisture — migration tests. Ordinary paper bowls are suitable for many uses, but foil-lined bowls are a stronger choice when the food is heavier, oilier, or needs longer takeaway holding time.

A migration test checks whether substances from inks transfer into food above legal limits. It includes overall migration and specific migration testing , migration tests.

Testing usually costs between $500 and $1500 per SKU, with results delivered in about 7–14 days depending on the lab.