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MM Packaging Deeside has upgraded its GreenPeel fibre-based food tray with a new double-rim design, targeting the strength and sealing requirements of the fresh protein market.

The packaging manufacturer says the enhanced construction has been developed in response to demand from customers looking for greater robustness when using skin-sealed products across the supply chain.

GreenPeel uses a cartonboard construction with a removable liner and is designed to reduce plastic use by up to 90% compared with conventional plastic trays. The solution is intended for a range of food applications, including meat, fish, chilled meals and fresh produce.

The latest development replaces GreenPeel's previous single-rim construction with a continuous double rim around the tray. According to MM Packaging, the change provides additional structural strength while helping to maintain seal integrity during storage, distribution and retail display.

The first application of the new design is a 20mm tray developed specifically for fresh protein products. The format was developed in collaboration with a major poultry producer in France.

To introduce the new construction, MM Packaging modified both its machinery and tooling. The enhanced tray is currently available for protein applications, with the company planning wider implementation of the double-rim structure across the GreenPeel range.

Jonathan Craddock, UK business development manager for GreenPeel at MM Packaging Deeside, said:

“Customers want a stronger, more robust solution capable of maintaining a reliable skin seal throughout storage, distribution and retail display”.

MM Packaging says the double-rim structure strengthens the tray without changing the sustainability and branding benefits associated with GreenPeel. The company also highlights the packaging's potential to help food manufacturers reduce their reliance on plastic while maintaining product protection and shelf appeal.

Dave Whitworth, managing director at MM Packaging Deeside, said the development reflected the company's approach of adapting GreenPeel in response to market requirements.

The latest enhancement comes as food manufacturers and retailers continue to seek packaging formats that combine plastic reduction with the functional performance required for chilled and fresh food supply chains.

MM Packaging Deeside is part of the wider MM Group and supplies cartonboard packaging to markets including confectionery, pet food, cereals, frozen food and beverages. Its facilities include printing, cutting and finishing capabilities, alongside an in-house packaging development centre.