Imprint Sitemap EN DE COMPANY PRODUCTS QUALITY RESPONSIBILITY CONTACT US Sl Silica Silica Colloidal silica and silica gels Sc Sulfur Chemicals Sulfur Chemicals Thiosulfates and sulfites Ms Molecular Sieves Molecular Sieves Zeolite granulates and moulded forms CWK - YOUR CHEMICAL PARTNER WITH SUBSTANCE At Chemiewerk Bad Koestritz we produce a wide range of high quality speciality chemicals in the heart of Germany, including silicia, molecular sieves and sulfur chemicals. CWK stands for quality, process reliability and sustainable progress worldwide. We provide our customers with tailor-made materials for their specific applications. Professional commitment always goes hand-in-hand with unparalleled commitment to our social and ecological environment. We welcome you to get to know us and learn more about CWK. We look forward to stimulating discussions. Because chemistry matters. Products Silica Sulfur Chemicals Molecular Sieves Quality Responsibility Company History Career Training Download Centre Phone: +49 36605 810 E-Mail: info@cwk-bk.de Chemiewerk Bad Köstritz GmbH Heinrichshall 2 07586 Bad Köstritz © 2021 CWK Chemiewerk Bad Köstritz GmbH – Heinrichshall 2 – 07586 Bad Köstritz – info@cwk-bk.de Because Chemistry Matters.