Changing the future of packaging with unprecedented functions,
materials, and manufacturing technologies

• As the first company in Japan to become involved in the corrugated business, and lead the industry as a pioneer, Rengo has continued to develop numerous innovative functions, materials, and manufacturing technologies which open up the possibilities of packaging. We support ever-evolving packaging with the latest research and development capabilities, including paperboard production technology that achieves lightweight containerboard; functional corrugated packaging such as water resistance, moisture proofing, fire retardancy, and low friction; and development of adhesives that improve production efficiency.

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    Low friction corrugated board
    COSREN
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    Fire-retardant corrugated board
    RAFEP

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  X-ray CT scanner
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Developing a variety of functional materials
beyond packaging to make life comfortable

• Rengo developed the REBIOS series of sustainable biodegradable packaging with high biomass content that uses cellophane and paper so as to contribute toward solving environmental issues and the problem of ocean microplastics. In fields other than packaging, the high-function fiber Cellgaia developed by Rengo is also widely used, such as in antibacterial kitchen cloths. In addition, we are also working on research into the practical applications of cellulose nanofiber which has gained attention from various industries.

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    PPlastic Alternative Packaging
    REBIOS
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    Product containing Cellgaia
    Antibacterial kitchen cloth
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    Cellulose fiber
    Cellulose nanofiber

Bringing innovation to packaging through research and development
in collaboration with design and manufacturing frontlines

• To meet high-level needs, it is important to not only develop new functions, but also improve quality from various angles, such as planning, manufacturing, and design. At Rengo, we give birth to many innovative packaging solutions by carrying out research and development while sharing and collaborating on issues with various units.
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    Beverage labels with low environmental impact
    Rengo has developed manufacturing technologies incorporating new technologies and materials such as water-based flexo printing technology, inks made from biomass, and the use of film and so on.
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    Digital pre-printing
    Rengo has achieved highly-decorative customizable printing with content that can be changed per sheet.

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  Wavelength dispersive X-ray fluorescence spectrometer
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  Gas chromatograph

Pursuing safety and peace of mind is also
the responsibility of a leading company

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  Digital microscope
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Major products developed by the Central Laboratory

Recyclable corrugated products

• ULTRA RENCOAT Water-resistant corrugated board
• Damp-proof Moisture-proof corrugated board
• Low friction corrugated board COSUREN
• SAVINDE Corrugated board with anti-rust protection
• RECYCOOL Corrugated board for chill and freshness retention

Cellulose beads

• Viscopearl Porous cellulose beads

High-function fiber

• Cellgaia Highly functional fiber combining zeolite with cellulose fiber