Freund Corporation Selects Mitsubishi Chemical Group’s Bio-Based Compostable Polymer "BioPBS" for Antimold-Mild EF Sachet

November 9, 2023

In a bold leap towards sustainable packaging, The Mitsubishi Chemical Group (the MCG Group) proudly unveils a game-changing collaboration with Freund Corporation. The innovative bio-based compostable polymer "BioPBS™" has been selected for the inner surface (sealant layer) of Freund Corporation’s Antimold-Mild® EF*, sachet, marketing the debut of BioPBS™ in the realm of food preservative packaging in November 2023.

                 Antimold-Mild® EF                                       Examples of Antimold-Mild® EF use

BioPBS™ isn’t just a polymer—it’s a sustainable solution. Uniquely engineered for natural decomposition by microorganisms in the soil, etc, BioPBS™ transforms into water and carbon dioxide. Freund Corporation’s Antimold-Mild® leverages the power of powdered ethanol to create a sachet, that when paired with sweets, bread and more, releases ethanol to thwart the growth of harmful microorganisms.

What sets thisnewly-adopted sachet apart is the thoughtful combination of BioPBS™ on the inside and paper on the outside. The enables the entire packaging is crafted from compostable materials, and the bio-based material content of the package has increased from 63% to 83%.

Data provider: Freund Corporation
The MCG Group, recognized as a pioneer in specialty materials, remains steadfast in its dedication to driving innovation for a sustainable society. BioPBS™ is a testament to their commitment to delivering high value-added products that redefine the boundaries of eco-friendly solutions.
*EF is an abbreviation for “Environmentally Friendly.”

●Freund Corporation Product Site:
●About the Mitsubishi Chemical Group
Mitsubishi Chemical Group Corporation (TSE: 4188) is a specialty materials group with an unwavering commitment to lead with innovative solutions to achieve KAITEKI, the well-being of people and the planet. We bring deep expertise and material science leadership in core market segments such as mobility, digital, medical and food. In this way, we enable industry transformation, technology breakthroughs, and longer, more fruitful lives for us all. Together, around 70,000 employees worldwide provide advanced chemistry-based solutions to deliver the core elements of our slogan — “Science. Value. Life.” For further information, please visit our website:

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