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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.
#packs
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Food safety audit checklist for packaging lines and suppliers
Line-side food safety audit checklist for packaging supplier audit teams: verify contact material CoCs, NSF H1 lubricant verification, brittle registers, and fail-safe rejects.
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Lot number tracking: 4-hour forward and backward mock recall and mass-balance audit
Operational lot number tracking protocol for food packaging lines: execute 4-hour forward and backward mock recalls, trace film roll splices and MAP gas lots, and close mass balance.
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Food metal detector vs X-ray: sensitivity needs conditions
Compare food metal detector and X-ray sensitivity using product state, test-piece placement, packaging, and image contrast. No universal ball size applies.
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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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Where foreign-material control has to name a limit
Keep a detection claim inside one hazard, one product, and one reject path, and take aperture and sensitivity from the device file.
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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.