Ice cream packaging coding must remain clear and traceable across every packaging level, from individual wrappers and tubs to cartons, cases and pallets.
Each format uses different materials and moves differently through production. Achieving reliable results therefore requires more than selecting a single coding technology. The substrate, production speed, cold-chain conditions, variable data and verification process must all be assessed together.
Why ice cream packaging coding requires different strategies
The consumer pack carries product, batch and date information. Meanwhile, multipacks group several units for retail, while cases and pallets support warehouse and logistics operations.
The GS1 Global Traceability Standard identifies products at different packaging levels, including consumer units, inner packs, cases and pallets. It also uses the SSCC to identify logistics units.
For an ice cream manufacturer, coding requirements may include:
| Packaging format | Typical variable information | Main coding challenge |
| Flexible wrapper or lidding film | Lot, date mark, production time or 2D code | Thin, sensitive or multilayer materials |
| Tub, cup or lid | Lot and date information | Curved, coated or low-contrast surfaces |
| Folding carton or multipack | Product identification, lot and date | Printed artwork and surface coatings |
| Wooden stick or component | Identification or promotional information | Small marking area and orientation |
| Corrugated shipping case | Case ID, lot, date and logistics code | Porous material, dust and surface variation |
| Pallet | SSCC and logistics information | Label quality, positioning and aggregation |
A complete ice cream packaging coding strategy must define the purpose, content and quality requirements of the code at each packaging level.
Flexible wrappers and lidding films
Ice cream bars, cones, sandwiches and individual portions often use flexible packaging. However, films that look similar can react very differently during coding.
Several factors affect the result:
- Film composition and thickness.
- Pigmentation and surface coating.
- The presence of a laser-reactive layer.
- Packaging-machine speed.
- Code size and complexity.
- Code position in relation to seals, folds and cut areas.
Laser marking can create permanent, high-contrast codes without inks or ribbons. However, manufacturers must select the right laser source and parameters for each film.
In addition, a code must do more than look visually acceptable. Testing must confirm that the coding process does not affect the pack’s seal, barrier properties or mechanical performance.
Macsa id offers several technologies for coding flexible films, including solutions for thin and sensitive packaging materials.
Tubs, cups and lids
Manufacturers make ice cream tubs and cups from plastic, coated paperboard or composite materials. They can apply variable information to the body, base, lid or label.
The coding system must consider:
- Flat or curved surfaces.
- Product rotation during transport.
- Available marking area.
- Background colour and artwork.
- Surface contamination.
- The point in the process where the code is applied.
In this case, correct product handling plays a key role. If a pack vibrates, rotates or changes position, code quality can vary even when the marking system has the correct settings.
Therefore, manufacturers should treat guides, sensors and product detection as part of the coding application, rather than as separate elements.
Folding cartons, sleeves and multipacks
Printed cartons and sleeves protect cones, ice cream bars, multipacks and premium products. These surfaces may include varnishes, coatings, recycled fibres or prepared coding areas.
CO₂ laser technology can create contrast by removing or modifying a printed surface layer. Alternatively, inkjet technologies can add high-resolution variable data, depending on the coating, line speed and required message.
Manufacturers should evaluate:
- Contrast across different artwork versions.
- Readability on every background colour.
- Code position after folding.
- Resistance to rubbing during transport.
- Performance on recycled or lightweight board.
- The impact of future packaging-material changes.
Cardboard works well with laser coding. However, operators must control the marking parameters to achieve contrast without excessive thermal impact. Macsa id provides laser coding solutions for paper and cardboard.
Corrugated shipping cases
Coding the consumer pack alone is not enough if the manufacturer loses its relationship with the shipping case.
Corrugated cases may need to show:
- Product and variant identification.
- Lot or batch number.
- Date information.
- Case quantity.
- 1D or 2D logistics codes.
- Warehouse or destination information.
The code must remain readable despite cardboard fibre variation, dust, abrasion and handling. Depending on the required resolution and data, manufacturers may use high-resolution inkjet, large-character coding, laser marking or print-and-apply labelling.
Moreover, the selected system should connect to the production data source. This helps manufacturers ensure that the product, case and pallet carry matching information.ction data source. This helps ensure that the product, case and pallet carry matching information.
Pallets and logistics units
At pallet level, coding shifts from consumer information to logistics identification.
Manufacturers commonly identify pallets with an SSCC encoded in a logistics barcode. The SSCC provides a unique reference that links to information in the manufacturer’s or logistics operator’s system.
Manufacturers should also maintain the relationship between the pallet, its cases and the products inside through aggregation. As a result, they can locate affected products more efficiently during warehouse checks, customer queries or recalls.
Direct marking on wooden components
Some ice cream formats also offer an opportunity to mark wooden sticks or other components directly.
Direct marking can support:
- Brand identification.
- Promotional messages.
- Variable campaign codes.
- Internal production information.
However, each application requires an assessment of the material, marking area, orientation and food-contact requirements. Manufacturers should always validate direct marking against the applicable market and product standards.application. Direct marking should always be validated under the applicable market and product standards.
The cold chain must be part of the coding test
A code that looks correct immediately after marking may not remain readable throughout the product lifecycle.
Ice cream packaging can face:
- Low temperatures.
- Moisture and condensation.
- Surface rubbing.
- Film deformation.
- Case-packing pressure.
- Temperature changes during transport and storage.
Therefore, coding trials should reproduce these conditions as closely as possible. Manufacturers should check code quality after freezing, handling and transport, not only when the pack leaves the coder.
This step becomes particularly important for machine-readable codes. Even small changes in contrast, geometry or surface condition can affect scanning performance.metry or surface condition can affect scanning performance.
What information should be coded?
The required information depends on the product and destination market. It may include:
- Lot or batch number.
- Date of manufacture.
- Date of minimum durability.
- Production line or time.
- Product identifier.
- 1D or 2D code.
- Logistics data.
The code must be verified, not just applied
A production signal confirming that the coder has operated does not prove that the result is correct.
An integrated vision system can verify:
- Code presence.
- Correct variable information.
- Character legibility.
- Barcode or 2D code readability.
- Code position.
- Contrast and overall quality.
The line should also have a controlled process for rejecting non-conforming products and recording coding errors.
Centralised message management can further reduce the risk of operators selecting the wrong product, date format or packaging configuration during changeovers.
ow to select an ice cream packaging coding system
Selecting an ice cream packaging coding system requires a complete analysis of the packaging material, production conditions, code content and traceability requirements.
Before choosing a technology, manufacturers should consider:
- What is the exact packaging material, coating and colour?
- Where is the code applied in relation to filling and freezing?
- What information is required at each packaging level?
- What is the maximum production speed?
- What code quality must be maintained at that speed?
- How will the code be inspected and verified?
- How will product, artwork and market changeovers be controlled?
A complete coding strategy
Reliable ice cream coding is not simply about printing a clear date.
It requires the packaging material, code content, production speed, product handling, software and inspection system to work together—from the individual product to the pallet.
Macsa id helps ice cream manufacturers evaluate each packaging level and select the right coding, marking and traceability solution for their materials, production conditions and target markets.