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The black case and strap of a G-SHOCK watch lie next to pellets made from bio-based resin.

Materials Widely Thought to Help Reduce Environmental Impact and Promote the Shift to a Circular Economy

Carbon-neutral biomass plastics are attracting notice as materials with the potential to curb rising concentrations of CO2 in the atmosphere and are widely thought to help ameliorate global warming and reduce dependence on fossil resources. Let’s take a look at the state-of-the-art world of biomass plastics, where familiar plants are made into plastics.

Biobased Resin

Biobased resin is polymer produced using chemical or biological synthesis of materials sourced from plant matter or other renewable organic substances. They are widely thought to help reduce environmental impact and promote the shift to a circular economy. PRO TREK employs biomass plastics that are made from materials extracted from castor seeds and corn.

Rough illustration of how the biomaterials urethane and glass fibre-reinforced resin for the case and strap of a watch are produced from the raw materials maize and castor bean.
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PRO TREK employs biobased resin that are made from materials extracted from castor seeds and corn.

Illustration of the cycle of bio-based resin from the raw materials maize and castor bean, through the finished products, to the disposal and regrowth of new raw materials.

Biomass, which is used as raw material, binds carbon (CO2) from the atmosphere as it grows. This means that, as long as the biomass is reproduced, there is no net increase in atmospheric CO2 when biomass is incinerated. Accordingly, the use of biomass plastics produced with biomass materials is widely thought to help curb emissions of CO2. Also, since they are produced from renewable organic resources, they are able to help reduce the use of exhaustible resources, including fossil resources.


Components extracted from plant-based materials are pelletised and used to mould watch components, including the case, band, and case back. Using these refined materials for moulding has enabled product crafting with consistent quality.

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