... 3. Fineness, mesh: 120, 100,80 Hydroxypropyl Methyl Cellulose (HPMC) Functions:HPMC is good non-ionic mixture ... water preserving agent, film-forming agent in construction, building materials, dispersion coating, wallpaper paste, polymerization aids, leathers, printing ... expected effect.Packing, storage and cautions:Hydroxypropyl Methyl cellulose is packed in paper plastic lined with polyethylene ...