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A biobased fiber obtained from an invasive plant for insulation panels

April 2020
Gallery Cynthia 1
Gallery Cynthia 1


CYNTHIA® is a perfect alternative to all natural fibers used today in thermal insulation and WPC industry, the perfect new asset to meet the climate and energy targets set by many countries, showing an intrinsic low carbon footprint, much lower than glass wool or polyurethane.

In-Between International, with a full dedicated and qualified team specialised in the innovative and sustainable treatment of the invasive Water Hyacinth, has created CYNTHIA® – a revolutionary and ecologic new industrial raw material in building and construction global market, through a process patented in 100 countries. This solution is a Game Changing Natural Fiber, from an inexhaustible source to unlimited global expanding market, showing the same technical properties as other natural fibers.

Label Date April 8, 2020
From Belgium
Maturity stage Prototype testing 1:1 in the lab
Looking For Network; Visibility; Funding

The environmental benefits

  • CYNTHIA® Insulation board is 95% eco-friendly.

The Financial benefits

  • Cynthia Insulation boards will be at the same price than existant wood based insulation boards on the market.

Activity Region

  • /


Spain, Portugal,

North america

United States,

  • Headquarters
  • Activity

Company Profile

In-between SA

In-Between is a Belgium based company specialized in the innovative and sustainable treatment of water hyacinth.

View company profile
Headquarters 1380 Lasne, Belgium
Contact the Solution Provider Add to Favorites

The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator In-between SA has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.