... Surface tension:42-57 2. Water, wt%: 5.0 max 3. Fineness, mesh: 120, 100,80 Hydroxypropyl Methyl Cellulose (HPMC) Functions ... :HPMC is good non-ionic mixture fiber ether, and has good dispersion, thickening ... temperature, oC58 -90Carbonization temperature ,oC280-300Surface tension(dyn/cn,2%sl)42-57Ash, wt%3.0maxWater, wt%5.0maxFineness,mesh120 ...