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Molecular sieves

Arkema is a world renowned player in molecular sieves (formerly known as CECA) with its registered trademark Siliporite®




A complete portfolio for multiple applications

Siliporite® Molecular sieves make up a comprehensive portfolio of adsorption agents for the following sectors: 


  • Oil & Gas applications - Natural Gas processing / Petrochemistry, refining and chemical industries.
  • Xylenes separation
  • Medical Oxygen
  • Industrial gases applications - Air separation and air prepurification units / H2 production units / O2 production units.
  • Construction - static applications - Double pane insulated windows / Coatings, adhesives, sealants and elastomers (PolyUrethane CASE).
  • Pharmaceutical & food applications - Pharmaceutical packaging / Pharmaceutical excipients / Food applications.

A global presence

Arkema’s experts are available in Europe, the Americas, Asia and the Middle East.

Our R&D center is located in Lacq, France and runs a number of pilot plants replicating our customers’ processes. This enables us to fine-tune our products based on specific applications.  Arkema operates two molecular sieves production plants, one located in Honfleur (France) and the other one in Inowroclaw (Poland). In 2017, Honfleur was expanded with a 60 M€ investment. This will enable Arkema to support its customers’ growth in the refining and petrochemicals sector, particularly in Asia and in the Middle East.

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