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Bio-based resins: can your projects go green without compromising quality?

The word "eco" often raises a certain scepticism in the industrial world. "Will it be just as strong?", "Won't it dissolve in the sun?", "It's probably harder to work with?". Time to dispel these myths. Thanks to the technology from Resoltech, which we are bringing into our range, "eco" today simply means "designed smarter".

What exactly is a "bio" resin?

Most conventional resins are made 100% from crude oil. Bio-based resins change these proportions — replacing some of the petrochemical ingredients with renewable raw materials (per the ASTM D6866 classification). Instead of drawing solely on fossil fuels, some of the carbon atoms are obtained from renewable plant sources.

What is such a resin made from?:

  • Oil plants: sunflower, rapeseed, cashew nuts.

  • Drzewa: np. sosny (pozyskiwanie kalafonii i pochodnych).

  • Produkty uboczne: e.g. vegetable glycerine.

Importantly, you don't have to take our word for it. The "bio" content is measured by the precise carbon-14 isotope dating method. This makes it possible to distinguish "young" plant carbon from "old" carbon from crude oil, which is millions of years old.

Does "eco" mean inferior properties? Quite the opposite!

This is the most important point: bio-based products do not have inferior mechanical properties to their conventional counterparts. In many cases they are even better.

The manufacturer, Resoltech, with over 30 years of experience, points to specific improvements in the ECO versions:

  • 1020 ECO: Better thermomechanical properties after cure compared with the standard version.

  • 1070 ECO: Higher UV stability and better strength.

  • 1010 ECO: Improved abrasion resistance and surface hydrophobicity.

Real impact on the planet (impressive numbers)

By choosing a glycerine-based resin instead of an oil-based (propylene) one, you genuinely reduce the burden on the environment. Look at these comparative figures for the production process:

Resoltech_footprint_chart

ParameterRedukcja o…
Global warming impact83% mniej
Niszczenie warstwy ozonowej78% mniej
Environmental acidification36% mniej

Source: Life cycle assessment (LCA) of glycerine-based vs. propylene-based resins, Resoltech / European Bioplastics data, 2023.

Even if the finished resin product (which is thermoset and irreversible) is one day disposed of by incineration, the carbon balance is much better – the plant from which the resin was made previously took that carbon from the atmosphere.

Where does it work? From surfboards to bridges

Bio-based resins are not theory – they are already working in the toughest conditions:

  • Sport: Surfboards (1070 ECO resin + flax).

  • Budownictwo: A 70-metre bio-composite bridge in the Netherlands (1800 ECO system).

  • Marine: Yacht building and marine structures (leading luxury yacht builders)

  • Motorsport: Body parts, structural components, etc.

  • Sztuka: River tables, deep castings, furniture, etc.

Podsumowanie

Switching to ECO systems is not just a matter of image. It is access to modern formulations that offer the same, and often higher, durability and ease of application (laminating, infusion, casting), while drastically reducing the carbon footprint.

As a distributor of Resoltech solutions, we help you choose the right ECO system for the specific needs of your production.