https://www.mhec-hpmc.com/application/gypsum-plaster-application.html
Cellulose Ether for Gypsum Plaster – Key Additive for Smooth and Durable Finishes
What Is Cellulose Ether?
Cellulose ether is a water-soluble polymer derived from natural cellulose. When added to gypsum plaster, it serves as a thickener, water-retention agent, and workability enhancer, ensuring consistent mixing and long-lasting surface performance.