Lightweighting
Thinner structures reduce material use but often leave less tolerance for unstable tension, wrinkles and edge damage.
Resources / Industrial Automation Blog
Sustainable Packaging Specs and Web Handling in 2026
Sustainability requirements are no longer only a material purchasing issue. They are becoming machine specification issues for packaging OEMs, converters and production teams.
June 2026 industry update
Material changes create control challenges
Lightweight films, PCR content and recyclable structures can change stretch, stiffness, curl, coefficient of friction and tracking behaviour.
Why this topic is current
PMMI's June 2026 report on CPG sustainability and OEM specifications describes how consumer, retailer and regulatory pressures are moving upstream into machinery requirements. The report highlights material transitions, equipment compatibility, EPR-driven market variation, data transparency, modular upgrade paths and embedded monitoring.
For packaging lines that handle flexible webs, these are not abstract trends. A lighter film or recycled-content structure may behave differently through unwind, printing, coating, lamination, slitting and rewind. That changes what OEMs should specify for tension control, web guiding, sensing and machine data.
PCR and recyclable films
New structures can change stiffness, surface finish and sensor response, requiring careful testing before full production.
Audit-ready data
More sustainability reporting can increase demand for traceable machine settings, rejects, downtime and quality conditions.
How sustainability changes OEM web handling specs
A packaging machine built for one film family may not run the next structure with the same setup. OEMs and converters should review whether the machine has enough control range and feedback to handle material variation. That includes tension sensors, closed-loop tension control, edge or centre guiding, actuator stroke, guide response and operator interface clarity.
Where web guiding matters most
Material changes can affect how the edge is detected and how the web tracks through rollers. Transparent or low-contrast films may require ultrasonic sensing, while printed marks or high-contrast edges may work better with photoelectric or camera-based sensing. A stable guide response helps reduce trim waste and keeps the web aligned for inspection, sealing, slitting and finishing.
Where tension control matters most
Lightweight and recyclable films can be more sensitive to stretch and deformation. Closed-loop tension control helps maintain consistent web force as roll diameter, line speed and process load change. For converters, that can mean fewer wrinkles, better registration and more consistent rewind quality.
Specification checklist for packaging OEMs
- Ask which current and future film structures the machine must support, including PCR and recyclable materials.
- Confirm the minimum and maximum tension range for each material family.
- Test sensor performance on transparent, reflective, printed and low-contrast webs.
- Design space for modular upgrades, such as adding closed-loop feedback or a more suitable web guide sensor.
- Document machine settings so sustainability-driven material changes can be validated repeatably.
Related KRD products
KRD products help packaging OEMs and converters keep new material structures stable through guiding and tension zones.
Industry sources
FAQ
Why do lightweight packaging films need better tension control?
Lightweight films often have less tolerance for stretch, wrinkles and deformation, so consistent tension becomes more important during unwind, print, slit and rewind.
Can one web guide sensor handle every sustainable film?
Not always. Transparent, reflective, printed and low-contrast materials may require different sensor technologies or mounting setups.
How should OEMs prepare for changing packaging specs?
They should design modular machines with documented settings, stable feedback loops, upgrade space and sensors tested against the actual material structures.
Plan web handling around the material, not only the machine
Send KRD your web width, material type, speed range and control zone. We can help match web guiding and tension control components for sustainable packaging applications.