HPMC for Building material, White powder or granule, Usage: retaining agent,binder for ... thickener, adhesive, water preserving agent, film-forming agent in construction, building materials, dispersion coating, wallpaper paste, polymerization aids, leathers, printing ink ... packed in polyethylene film bag and then in PE bag. Net weight is 25kg per bag.Specifications:1.Appearance: HPMC is ...