Technical guidance

Packaging technical guides

Use these guides to move from a broad packaging-material search to a documented, testable and quote-ready complete-pack specification.

Evidence-led packaging selection

Connect commercial sourcing with technical approval.

Packaging decisions span product protection, production compatibility, component fit, environmental evidence and controlled supply. The catalogue identifies products and formats; this technical section explains the questions, tests and documents needed before a buyer treats an option as approved.

Each guide is written for manufacturers, packaging managers, procurement teams and sustainability specialists. It distinguishes general selection guidance from a verified specification for a particular product. Exact material declarations, compliance documents, recycled-content percentages, stock, minimum order and lead time must be confirmed for the selected item.

  • Start with the product and production requirement.
  • Identify every component in the finished pack.
  • Use current official guidance for the relevant UK reporting period.
  • Test representative samples against written acceptance criteria.
  • Retain version-controlled supplier evidence and approvals.
Bottles, pouches, caps, labels and shrink film packaging categories
Compliance and evidence

UK reporting and recycled-content records

Material and component comparisons

Choose by functional requirements and complete-pack behaviour

PET versus HDPE bottles

Compare appearance, squeeze, barrier, temperature, compatibility, closures, labels and approval tests.

Approval and control

Plan the trial and retain the right documents

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Using technical guidance

How to turn guidance into a controlled packaging decision.

The guides answer different parts of the approval process. Use them together, then confirm the exact product data and retain a signed, version-controlled pack specification.

Which guide should be used first?

Begin with the decision that is blocking the project. Use the material comparison when the format is undecided, the barrier guide when shelf-life protection is unclear, the compatibility plan when candidates exist, and the document checklist before approval. The packaging question centre organises additional selection and troubleshooting questions.

What is the difference between supplier data and an approved packaging specification?

Supplier data describes the item as supplied; an approved specification adds the buyer’s intended contents, process, closure or fitment, label, test conditions, acceptance criteria and controlled version. Supplier data is evidence for the decision, but it does not by itself prove that the finished pack is suitable for a particular product or production line.

When is a sample check insufficient?

A sample check is insufficient when risk depends on time, temperature, filled contents, distribution, repeated machine handling, seal formation or a component interaction that cannot be seen immediately. Use staged testing and record the conditions. The compatibility test plan explains how to set acceptance criteria before testing.

How should official regulatory guidance be version-controlled?

Record the source, title, publication or update date, reporting period and date accessed in the project file. Recheck the official source before a new reporting cycle or packaging change. For example, use the RAM version that applies to the relevant EPR reporting period rather than relying on a saved summary from an earlier year.

What changes should trigger packaging requalification?

Review any change to material, supplier, tooling, dimensions, neck finish, liner, adhesive, ink, coating, fitment, artwork coverage, filling conditions, machine settings or distribution route that can affect a critical requirement. The scale of retesting should follow the risk and the evidence that remains applicable, not a blanket assumption that every change is equivalent.

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