Definition
MVTR means moisture vapor transmission rate, a measure of moisture passing through packaging film.
Why it matters
Powders, crisps, freeze-dried fruit, and supplements can fail when moisture barrier is too weak.
Quote use
Describe moisture sensitivity and expected shelf life before choosing film.
Related decision
format, material, proofing, MOQ, quality, or reorder planning
Buyer risk
misunderstanding the term can create bad quote assumptions
Best next step
connect the term to a specific product and SKU plan