Piranha™ | Mono-material packaging | Waddington Europe

Piranha™ Mono-material packaging

Piranha™ is a pioneering mono-material recyclable meat tray for meat, fish, and poultry (MFP) products that don’t require a polyethylene layer or adhesive coating.

The Piranha™ ridged packaging is sealed using a series of raised teeth that run around the sealing flange instead of applying a layer of polyethylene or adhesive, which are typically used to seal the lid of modified atmosphere packaging (MAP). 

The raised teeth maintain the seal's integrity even if the flange becomes contaminated by animal fat, which can interfere with the closure of traditional packaging for meat, fish, and poultry (MFP) products. 

With Piranha, greasy contaminants are forced into the channels between the raised teeth, leaving the peaks clear and clean to contact the PET top web. Under the same sealing temperatures and dwell time, the top web adheres to the peaks, creating the seal despite the presence of contaminants. During filling-line trials of Piranha, the problem of burst seals due to grease contamination on mono-rPET sealing of single material packaging was cut to almost zero.

As mono-material packaging, the tray is capable of being fully and easily recycled back into food-grade rPET.

Piranha can also be made with up to 100% recycled PET (rPET) and is Plastic Tax compliant in the U.K.

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Please note we are only able to send samples to registered business addresses which are trading within Europe.