Molecular Sieves

Selective result

We produce speciality zeolite materials for highly selective substance separations or thermochemical applications under the brand name Köstrolith®. Satisfying our customers’ needs is consistently at the heart of everything we do.

We supply all market-relevant zeolitic molecular sieves as hydrophilic granules or compact moulded forms and are one of the few suppliers to also offer these products without a binder component. With pore sizes and surface properties adjusted according to each customer’s individual requirements, the optimum results are guaranteed for each application.

At CWK, the quality and cost of production are of utmost importance. With the development expertise and optimised plants which are at our disposal, we are able to implement your specific requirements quickly and with a high degree of flexibility.

Tell us your needs We look forward to supporting your processes with our materials.



Currently, CWK is the only supplier of compact zeolite molded shapes with a 100% active component ratio.

Our Contacts

Dr. Kristin Gleichmann

General Manager Molecular Sieves

+49 (0) 36605 81-270
+49 (0) 36605 81-296

Christian Sattler

Head of Production Business Unit Molecular Sieves

+ 49 (0) 36605 81-281
+ 49 (0) 36605 81-296

Ilona Schwendel

Sales Department

+49 (0) 36605 81-232
+49 (0) 36605 81-235

Dr. Jens Zimmermann

Head of Process Technology and Technical Customer Service

+49 (0) 36605 81-298
+49 (0) 36605 81-296