Glossary · Manufacturing
What Is Packaging Compatibility Testing?
Packaging compatibility testing checks whether a formula and its chosen packaging interact acceptably over time: whether the product discolours, the pack softens, leaches, loses weight or corrodes, or the product's odour and pH change in contact with the material. It is normally run alongside stability testing, on the actual pack.
Why it matters when you source
The pack is part of the product: a formula stable in glass can fail in a decorated PET bottle, and the failure appears after shipping rather than before. Insist that stability testing is run in the final packaging rather than in a laboratory container.
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