
Choose Specialized HPMC for Gypsum Products: Retarding Water Loss to Enhance Workability
In dry-mix mortar systems for gypsum-based building materials—such as plastering gypsum, joint fillers, and self-leveling gypsum compounds—hydroxypropyl methylcellulose (HPMC) accounts for only a few thousandths of the total dry mix weight (typically 0.1%–0.5%).





