HPMC for Self-Leveling Compounds in Construction Applications Product Description Hydroxypropyl Methyl Cellulose (HPMC) is a high-performance non-ionic cellulose derived from natural refined cotton through chemical modification. Due to its excellent water retention, rheology control, thickening ability, and workability enhancement, HPMC is widely used in construction materials, including self-leveling compounds, tile adhesives, cement-based mortars, gypsum products, and wall