Toppan develops packaging with high water vapor barrier properties

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Tokyo – September 17, 2021 – Toppan (TYO: 7911), a global leader in communication, security, packaging, décor materials, and electronics solutions has developed a new barrier coated paper that provides high water vapor barrier performance and outstanding flex resistance and is suitable for a wide range of contents and packaging shapes. Sample shipments of “GL-X-P” to manufacturers in a broad spectrum of industries worldwide, including food and toiletries, will begin in September, with the launch of full-scale sales scheduled for spring 2022.

GL-X-P’s excellent water vapor barrier performance makes it possible to prevent content quality deterioration caused by humidity, while its flex resistance means it can be used for a diverse variety of packaging shapes. These features enable its use in packaging for a wide range of powdered and solid contents, including food products such as instant coffee, powdered soups, and chocolate as well as cosmetics and toiletries.

As an alternative to conventional packaging using paper, GL-X-P also has benefits for the environment. It can contribute to the reduction of food loss due to the potential extension of shelf lives enabled by preservation of freshness. Because GL-X-P itself is heat sealable, a structure consisting only of paper is possible, cutting plastic consumption and facilitating a reduction in CO2 emissions of up to approximately 35% (Toppan calculation) when used as an alternative to conventional laminated packaging structures that include plastic.

With the establishment of the Sustainable Development Goals (SDGs) and growing global momentum to protect the environment and save resources, there is increasing interest in packaging that mitigates impact on the environment. Efforts to reduce food loss and drive sustainability are now essential, and product packages are expected to not only maintain freshness and preserve contents over longer periods, but to also lower environmental impact through resource saving and recyclability.

As a new paper-based addition to the existing range of film products, GL-X-P further expands the possible applications of GL BARRIER and overcomes the challenge of producing paper-based high barrier packaging. Targeting mass production in 2022, Toppan will advance development of GL-X-P and continue to enhance its lineup by creating new barrier coated paper products for packaging.

Paper packaging with high barrier properties

Through the development of Toppan's original GL barrier products, high barrier performance and excellent processability were achieved using coating treatment that can enhance bending resistance and unique vapor deposition technology, making GL-X-P suitable for various contents and packaging shape.

reduce carbon dioxide emissions

GL-X-P uses paper as the base material, which not only saves the lamination process, but also enables the replacement of aluminum foil structure. Compared with traditional plastic film products, it saves plastic consumption and reduces carbon dioxide emissions by about 35%.

Reduce plastic consumption to zero by switching to paper-based monomaterials

Ordinary packaging adopts a material structure that combines various parts with a sealant layer containing plastic materials, while GL-X-P is only composed of paper materials and coatings with heat-sealing properties, reducing the plastic consumption of packaging to almost to zero.
Take advantage of the look and feel of paper for packaging design

The excellent barrier properties of GL-X-P can not only reduce the use of other materials such as films, but also facilitate packaging design. During the application process, it can show the unique appearance and feel of paper itself.

With the establishment of the Sustainable Development Goals (SDGs) and the growing momentum around the world to protect the environment and conserve resources, people are increasingly interested in packaging. Product packaging needs to maintain freshness, preserve contents for longer, and reduce environmental impact through resource conservation and recyclability. As a new paper-based extension to the existing film product range, GL-X-P expands the possible uses of GL Barrier and has been successful in the challenge of creating paper-based high-barrier packaging, with a target for mass production in 2022. Toppan: “We will encourage the development of GL-X-P and make it into its lineup by creating new barrier coated packaging paper products. By combining this barrier film with the same sealing material, we can provide various independent packaging, These packages combine barrier and environmental properties suitable for all applications."