Thermoformed packaging is a proven method for packaging many types of products, but it tends to be input-intensive.
A significant amount of energy is required to produce the heat used for forming and sealing the package, and thermoforming packs use a large amount of plastic film material.
Packaging equipment OEM MULTIVAC is seeking to change this with a new technique, “Smart Heating”, that MULTIVAC says can be integrated into various thermoforming systems.
To address these factors, Multivac is launching two matrix heating concepts, pixelHEAT and pixelSEAL heating systems, which are developed in conjunction with Watttron GmbH.
MULTIVAC pixelHEAT
While the package can be produced using different methods in a thermoforming machine, one thing they have in common is that the film is preheated before the forming process.
The pixelHEAT matrix heating system operates in the machine forming area. It utilizes individually controlled pixels, enabling precise and targeted control of film heating, which in turn allows the use of thinner films. This, in some cases, can result in 50% less material being used and up to 30% less energy being needed, while maintaining package quality.
This system offers faster warm-up times than conventional heating systems, allowing the machine to start production sooner, and is ideal for modern, sustainable films, such as mono-materials.
MULTIVAC pixelSEAL
In the sealing area of the machine, the forming web and the top web are sealed together to produce the finished package.
Like the pixelHEAT system, MULTIVAC’s pixelSEAL, which controls the heating of the films for sealing, utilizes individual digitally controlled pixels to ensure accurate and even heating.
This system also offers a fast start-up and lower energy consumption, up to 50% less than conventional heating systems.
For More Info
MULTIVAC plans to introduce these new concepts at the Meat and Alternative Proteins show, IFFA 2025 in Frankfurt from May 3 – 8. (Hall 12.1, Stand A 41)
You can also see more at the MULTIVAC news page: MULTIVAC and Watttron turn to “Smart Heating” for producing sustainable packs
