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Date codes on packs: contrast, condensation rub test and seam avoidance
Verify package date code contrast, condensation and oil rub survival, 90-degree tape-pull adhesion, and 8 mm heat-seal seam clearance on food packaging lines.
#seals
guide
Seal integrity testing: ASTM methods and their limits
Compare ASTM bubble emission, vacuum decay, and dye penetration by package scope, failure mode, and sample loss. Keep each result inside its method.
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Questions a seal check has to answer
Name the object, the sample, the result, and the reject path. Copy leak pressure and peel strength from the seal-test method for that pack.