Cosmo Specialty Fibers

Cosmo Specialty Fibers, Inc. (CSF) is a privately-held company producing dissolving pulp at the former Weyerhaeuser Specialty Cellulose Mill in Cosmopolis, Washington. Cosmo is a specialty Dissolving Wood Pulp company focused on high purity lyocell and other high purity softwood-based products. The company is focused on serving demanding clients in the fast growing textile market and also provides a diverse product mix of dissolving acetate, ethers, and viscose grade pulp. Our priorities include exceptional production reliability and quality, implementation of world-class safety standards, best-in-class environmental impact status and a commitment to the values of the surrounding communities.