How does thermoforming contribute to sustainable packaging goals in 2026?

Thermoforming contributes to sustainable packaging goals in 2026 by enabling the use of recycled and bio-based materials, reducing material waste through precise forming processes, and supporting energy-efficient production at scale. As regulatory pressure and consumer expectations around packaging sustainability intensify, thermoforming has become one of the most adaptable technologies for manufacturers looking to meet both environmental targets and production demands. The sections below address the most pressing questions packaging professionals are asking right now.

What sustainability targets are driving packaging decisions in 2026?

In 2026, the primary drivers of sustainable packaging decisions are regulatory requirements around recyclability, recycled content mandates, and carbon reduction commitments. The European Union’s Packaging and Packaging Waste Regulation (PPWR) is pushing manufacturers to ensure packaging is fully recyclable by design, contains minimum levels of recycled content, and reduces unnecessary material use across the supply chain.

Beyond compliance, brand owners in food and beverage are under growing pressure from retail partners and end consumers to demonstrate measurable sustainability progress. This means sourcing decisions now factor in not just cost and performance, but also the environmental footprint of the packaging format and the machinery used to produce it.

For thermoforming specifically, this translates into concrete requirements: machines must be capable of processing recycled PET (rPET) and bio-based materials like PLA, while maintaining the cycle speeds and dimensional accuracy that food packaging demands. Manufacturers who cannot demonstrate this capability risk losing supply contracts with sustainability-conscious customers.

How does thermoforming support the use of recycled and bio-based materials?

Thermoforming supports the use of recycled and bio-based materials because the process works directly with thermoplastic sheet or film, which can be produced from rPET, recycled polypropylene, or bio-based alternatives like PLA without requiring fundamental changes to the forming process itself. The key is that the material is heated and formed under controlled conditions, which suits a wide range of sustainable substrates.

Recycled PET is one of the most widely used sustainable materials in thermoforming today. rPET retains good thermoforming characteristics and is well-suited to food packaging applications such as trays, lids, and cups. However, recycled materials can show greater variability in sheet thickness and thermal properties compared to virgin plastics, so machine precision and process control become especially important.

Biodegradable materials such as PLA present their own processing requirements. PLA has a narrower processing window than conventional plastics, meaning temperature control and forming speed must be carefully managed. Modern high-end thermoforming machines are designed to handle these materials reliably, making thermoforming product lines increasingly relevant for manufacturers transitioning to greener substrates.

How much energy does a thermoforming machine actually consume?

Energy consumption in thermoforming depends on machine size, cycle rate, heating technology, and the material being processed. In general, thermoforming is considered one of the more energy-efficient plastic forming processes because it works with pre-extruded sheet rather than melting raw granules on-site, and the forming cycle itself requires less energy than processes such as injection moulding.

That said, heating the plastic sheet accounts for the largest share of energy use in a typical thermoforming cycle. Infrared heating systems are now standard in high-performance machines because they heat material more precisely and with less waste than older convection-based systems. Servo-driven forming stations also contribute to efficiency gains by reducing mechanical losses compared to traditional hydraulic systems.

Innovation in this area is ongoing. EU-supported development programs are actively working toward next-generation thermoformers that consume significantly less energy per unit produced, with targets in the range of a 30 percent reduction compared to current benchmarks. For manufacturers calculating total cost of ownership, energy efficiency is no longer a secondary consideration but a core factor in machine selection.

What’s the difference between thermoforming and injection moulding for sustainable packaging?

The key difference between thermoforming and injection moulding for sustainable packaging is that thermoforming uses thin plastic sheet and is better suited to high-volume, lightweight packaging formats, while injection moulding produces thicker, more complex three-dimensional parts. For food packaging at scale, thermoforming typically offers lower energy consumption per unit, less material use, and faster cycle times.

Material efficiency

Thermoforming uses only as much material as the formed part requires, and trim waste from the forming process can often be recycled back into sheet production. Injection moulding produces less trim waste but requires more material per part for thicker wall sections. For packaging applications where lightweighting is a sustainability priority, thermoforming generally has the advantage.

Compatibility with sustainable substrates

Both processes can work with rPET and recycled polypropylene, but thermoforming has a longer established track record with thin-gauge recycled and bio-based films. PLA, for example, is more commonly processed via thermoforming than injection moulding for packaging applications, partly because the lower pressures involved in thermoforming are more forgiving with brittle bio-based materials.

Can thermoforming produce packaging that meets recyclability standards?

Yes, thermoforming can produce packaging that meets current recyclability standards, provided the material selection, design, and labelling align with the relevant guidelines. Mono-material thermoformed packaging made from PET or PP is widely accepted in existing recycling streams across Europe and other major markets.

The key design principle for recyclable thermoformed packaging is avoiding multi-material combinations that cannot be easily separated. Laminates that bond incompatible polymers, or packaging that combines plastic with foil or paper in ways that cannot be separated, create recyclability problems regardless of the forming process used. Thermoforming itself does not inherently compromise recyclability, but material choices and structural design decisions can.

Thermoformed cups, trays, and lids made from rPET or mono-material PP are among the formats most readily accommodated by established mechanical recycling infrastructure. As extended producer responsibility schemes expand across Europe, the recyclability of packaging formats is increasingly being assessed at the design stage, making early material and process decisions more consequential than ever.

When should a manufacturer upgrade to a more sustainable thermoforming line?

A manufacturer should consider upgrading to a more sustainable thermoforming line when their current equipment cannot reliably process recycled or bio-based materials, when energy costs represent a significant share of production costs, or when regulatory changes require packaging formats or material compositions that older machines cannot achieve consistently.

Older thermoforming equipment often lacks the precise temperature control and servo-driven motion systems needed to handle rPET and PLA reliably at production speeds. If a machine is producing high rates of rejects or dimensional inconsistency when running sustainable materials, the problem is often the machine rather than the material.

From a financial perspective, the upgrade decision should weigh energy savings, reduced material waste, lower reject rates, and the ability to win new supply contracts that require certified sustainable packaging. Machines with higher cycle rates also produce a lower cost per unit, which accelerates the return on investment and makes the sustainability upgrade financially rational rather than purely compliance-driven.

How GABLER Thermoform supports your sustainable packaging goals

We develop and produce high-end thermoforming machines that are specifically designed to meet the sustainability demands facing packaging manufacturers in 2026 and beyond. Our machines are built to process recycled PET and biodegradable PLA foil reliably at production speeds, and we are actively working on next-generation technology supported by the EU that targets a 30 percent reduction in energy consumption per cup produced.

Here is what working with us means in practice:

Material flexibility: Our machines handle rPET, recycled PP, and bio-based PLA across our full product range, from compact stand-alone machines to complete production lines
Energy efficiency: Servo-driven forming stations and innovative crankshaft technology reduce mechanical losses and optimize motion sequences, lowering energy use per cycle
Output advantage: Our high-end machines deliver up to 20 percent higher output than comparable systems, which means a lower cost per unit and faster return on your investment
Industry 4.0 readiness: State-of-the-art sensor technology and remote access allow you to monitor and optimize production performance in real time
Full-service support: From installation and commissioning through to spare parts supply, we provide a complete carefree package so your line stays productive

If you are evaluating a move to more sustainable thermoforming or assessing whether your current equipment can meet upcoming regulatory requirements, we are happy to discuss your specific situation. Contact GABLER Thermoform to speak with our team about the right solution for your production goals.