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Arkema doubles its capacity for specialty, bio-based rheology modifier in Spain

· Issued by Arkema SA

Summary by 6ix AI

Arkema has doubled production capacity at its Sant Celoni, Spain, site that makes Crayvallac rheology modifiers, additives that control how coatings, adhesives and sealants flow and thicken.

Key details

  • Arkema says the expansion is aligned with its strategy to address increasing customer demand for coatings, adhesives and sealants across industries including sustainable building, new energies and datacenter operations.
  • Arkema says Crayvallac additives let coating makers move away from VOCs (volatile organic compounds, which evaporate into the air) and solvents through high-solid content formulations, notably in transportation and energy uses.
  • Arkema says that in adhesives and sealants the products reduce heating needs and can replace heavier mechanical fasteners.
  • The additives are available in multiple bio-based grades made from castor oil, with bio-based content ranging from 80% to 100%, measured by carbon ratio under the EN16640 standard.

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Aug 31, 2026 - NEWS

Arkema doubles its capacity for specialty, bio-based rheology modifier in Spain
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Arkema has doubled production capacity at its Sant Celoni Crayvallac® rheology modifiers manufacturing site. This capacity increase is aligned with the Group's strategy to address increasing customer demand for coatings, adhesives and sealants, driven by growing performance requirements across multiple industries including sustainable building, news energies and datacenter operations.

This strategic expansion is part of our continued efforts to support market needs and strengthen our leadership as a specialty bio-based materials provider in strategic markets. Demand for rheology modifiers is currently growing in every region globally. We are investing now so our coatings and adhesives customers can keep pace with demand and remain competitive."

Richard Jenkins, Senior Vice President, Coatings Solutions at Arkema

CRAYVALLAC® additives enable coating manufacturers to transition away from VOCs and solvents through high-solid content formulations, most notably in transportation and energy applications. In adhesives and sealant applications, these products improve energy efficiency by reducing heating needs and support lightweight transportation/green energy by replacing heavier mechanical fasteners. They are also available in multiple bio-based grades made from castor oil (ranging from 80% to 100%(1)).

(1) A bio-based product is wholly or partly derived from biomass. The bio-based content is the percentage breakdown based on a carbon ratio (EN16640). Bio-based products here come from castor oil.

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More information:
  • Our Rheology Modifiers

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