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The minimum overlap between cover hook and body hook in double-seamed cans is
EXPLANATION
Canning Container Metallurgy & Lacquering
- Double Seam Overlap in Cans:
- In double seam formation of food cans:
- Cover Hook: Curled edge of the end/lid tucked into the seam.
- Body Hook: Flanged edge of the can body folded down into the seam.
- To guarantee a hermetic seal that prevents post-process microbial leaker spoilage, the minimum seam overlap (OL) between the cover hook and body hook must be at least $55\% - 60\%$ (internationally recognized minimum standard: $60\%$ overlap).
- Correct Option: Option 2 (60%).
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