Planning an FFS Film Project: A Requirements Checklist

An FFS film project should begin with the requirements of the packaging operation and the filled package. Collect that information before selecting a blown film configuration, then review the film structure, materials and trial plan with the relevant equipment teams.

Define the boundary of the project

FFS stands for form, fill and seal. Film is supplied to packaging equipment that forms the package, fills it and seals it. The required film format and properties depend on that packaging system and the product being packed.

A film blowing line produces film. Forming, filling and sealing are downstream operations whose equipment and interfaces need their own scope. If the purchase includes several stages, draw the complete process and identify who supplies each stage.

This checklist helps prepare the film specification. Suitability of a particular film line or configuration should be confirmed for the actual project.

Obtain the packaging machine's film requirements

Ask the packaging equipment supplier for its film specification and relevant operating information. Identify whether the system uses tubular or flat film and record the required dimensions, gusset details where relevant and permitted roll format.

Check core size, maximum roll dimensions or mass, winding direction and any print-registration requirements. Record how the film will be threaded, handled and joined when changing rolls, along with the quality checks used by the packaging operation.

Providing an accepted film sample is useful when a packaging line already exists. For a new line, request the written film requirements and agree how trial rolls will be assessed on that equipment.

Describe the filled product and distribution conditions

Record the product being packed, target package size and the filling and handling conditions relevant to film performance. Discuss requirements for sealing, handling, storage and transport with the packaging team.

Where moisture protection, puncture resistance, package stability or other properties matter, identify how those requirements will be tested. The film specification should reflect the actual package and distribution conditions rather than a general application label.

Include printing, treatment or other converting operations where relevant. Identify which operations are included in the equipment purchase and which will be supplied separately.

Develop the structure around the required functions

Prepare the proposed material and layer arrangement with the technical team. State the intended role of each layer and the requirements that the structure must satisfy.

The number of layers does not by itself determine whether the film will run reliably on a packaging line or meet a filled-package test. Review the formulation, processing arrangement and finished-film evidence together.

If reprocessed material or an additive is proposed, discuss its suitability for the actual package and intended use. Assess trial film and the finished package before extending a result to the production range.

Plan two connected checks

First, assess the produced film and roll against the agreed specification. Record the formulation, dimensions, operating conditions, accepted output and film-quality measurements.

Then confirm how the film performs in the intended packaging operation. Agree who will provide the trial rolls, run the packaging test and record the observations. Where package handling or distribution tests are required, identify those tests and the acceptance method as part of the project review.

Keep the results connected to the tested material, film structure and equipment configuration. Identify any changes that require further confirmation before production.

Prepare the inquiry

Provide the packaging machine's film specification, accepted sample if available, filled-product information, required roll format and output target. Add the proposed formulation, site conditions and any open technical questions.

The multilayer blown film range can support an initial configuration discussion. Use the RFQ checklist to organize the information, then discuss the film project. Specify whether the inquiry concerns film production alone or a wider production and packaging project.