... Methyl Cellulose (HPMC) 1.Surface tension:42-57 2. Water, wt%: 5.0 max 3. Fineness, mesh: 120, 100,80 Hydroxypropyl ... ,oC280-300Surface tension(dyn/cn,2%sl)42-57Ash, wt%3.0maxWater, wt%5.0maxFineness,mesh120, 100, 80 ItemAppearance(°C)Charring temperature ...