Heat Seal Card Punnets – a breakthrough in packaging sustainability

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PRESS RELEASE.   Author accreditation: Westpak Group Ltd

The latest food packaging technology has provided a major leap forward for the sustainability of heat-sealed fresh produce punnets and trays. A series of new punnet and tray designs, launched by Westpak Group Ltd, offer grocery retailers and their suppliers a set of commercially viable paper-based alternative to plastic punnets.

These heat-seal card punnets are the culmination of a key objective for the Westpak brand – to break the grocery industry’s long-standing dependence on plastic punnets for commercial heat-sealing processes. Westpak have undertaken a series of testing and refinement processes to ensure the most seamless possible integration of this exciting new material technology.

The new range is comprised of a 500g microflute punnet and a 250g pressboard produce tray, both of which are fully recyclable and offer the option of bespoke branding. The 500g microflute also benefits from providing side ventilation holes, being able to be heat sealed in as little as half a second and the additional environmental benefit of being manufactured from recycled content. The 250g pressboard tray option features a Polyethylene (PE) lining (adhering to OPRL recycling guidelines of under 10%), as well as being compatible with K37/SPS tooling and being FSC certified.

Seth Hicks, Managing Director at Westpak Group Ltd commented, “The development of our heat seal card punnets really lies at the core of what Westpak is all about – bold innovation that is firmly rooted around driving long-term sustainability enhancements across the food packaging industry. The development of this new technology is something the industry and consumers alike have been eagerly anticipating for quite some time and we’re proud to be at the forefront of this change. The potential for this technology to be utilised across the industry is huge and represents a significant step forward in helping some of the best-known retailers work towards their ambitious corporate sustainability goals”.

For further product information visit Westpak’s latest product overview here.



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About Westpak Group Ltd
Westpak Group Ltd are one of the UK’s leading suppliers of innovative and sustainable packaging solutions to the Grocery and Food Service Sectors. At Westpak you’ll find one of the largest ranges of packaging to care for the transportation and presentation of your fresh food. We’ll take care of any new products you wish to develop and help you launch them. We’ll help you maintain your packing operation to BRC standards with up-to-date data and will support anyone in your team with our friendly, knowledgeable staff.

Westpak Group Ltd contact details
Westpak Group Ltd, Unit 2B Kimberley Business Park, Blackness Lane, Keston, Kent, BR2 6HL
Tel: +44 (0)1322 284455


Heat-seal punnets and trays. 2MB image.

Pressboard trays in operation. 0.6MB image.

Raspberries in pressboard tray. 0.4MB image.

Strawberries in microflute punnet. 0.4MB image.

Pressboard trays in operation. 0.6MB image.

Strawberries in pressboard tray. 0.6MB image.

Blueberries in pressboard tray. 0.7MB image.

Pressboard trays in operation. 0.7MB image.

Open pressboard trays in operation. 0.7MB image.

Strawberries in microflute punnet. 0.5MB image.

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Westpak Group Ltd, 2022   |   Bold Thinking, Reliable Execution

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