Egg marking applications require precise and reliable coding on fragile, irregular surfaces. Variations in egg size, shell texture, and shell color can affect code consistency and legibility, while high-throughput grading and packing lines demand accurate printing at high speeds.

In many markets, egg codes are used for regulatory compliance and traceability, including producer identification and production dates. Coding solutions must therefore deliver gentle, non-damaging marking performance while maintaining accuracy, hygiene standards, and continuous line operation.

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Egg cartons are produced in a variety of materials and surface finishes, including paper pulp, cardboard, and plastic. Differences in texture, absorbency, and color can impact print quality and code durability. In addition, cartons are often printed with date codes, batch information, and traceability data that must remain legible throughout distribution.

Pulp-based and paper egg cartons typically feature porous, uneven surfaces that can vary in density, color, and texture. These material characteristics can affect ink absorption and edge definition, making consistent and legible coding more difficult, especially for small characters and variable data.

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