Supplier Guide
How to Verify Flexible Film Laminators in China
Due-diligence guide for verifying flexible film laminators in China: solventless/solvent lines, structure control, odor, bond strength, pouching partners, and sample gates.
Quick answer
Verify a China flexible-film laminator by confirming real lamination capability, structure control, odor/bond evidence on your stack, and whether pouching is in-house or partnered. A printed roll sample does not prove finished-pouch leak performance.
Confirm process ownership
Ask which lines they run—solvent, solventless, or both—and which will produce your structure. Request factory address, machine list, and recent food-pack references.
Audit structure discipline
Require written layer stacks, approved film grades, and a ban on silent substitutions. Check how lots of film and adhesive are traced into finished rolls.
Test bond and odor
Approve laminate bond strength, appearance, and odor on conditioned samples. Food brands should define sensory acceptance before mass lamination.
Link to pouch conversion
If another plant forms pouches, freeze handoff specs for roll width, COF, curl, and sealant window. Many leaks start at the converter interface.
RFQ
Target structure; food-contact docs; odor limits
Lamination process; bond/test methods
Pouching route; sample stages; capacity
Substitution ban; lot traceability; Incoterms
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