​Klucel™ hydroxypropyl cellulose (HPC) is a nonionic water-soluble cellulose ether with a remarkable combination of properties. It combines organic solvent solubility, thermoplasticity and surface activity with the aqueous thickening and stabilizing properties characteristic of other water-soluble cellulose polymers available from Ashland. Klucel HPC films are flexible without plasticizers and non-tacky at high humidity. The wood pulp used in our cellulose products is sourced from suppliers who have implemented zero deforestation business practices, adhering to standards set forth by the Forest Stewardship Council (FSC), by the Program for the Endorsement Certification (PEFC.), or both. Our cotton linters are sourced from suppliers who have received third party certifications including the Global Recycled Standard (GRS 4.0) and SCS Recycled Content Standard, certifying that their cotton linters are 100% recycled content.