... HPMC,HEMC and MC.They are indispensible in mortar,cement,wall putty,powdercoating,paints,and so on. Apprearance :white flowing powderIts specification ... : hydroxy propyl methyl celluloseUsage:retaining agent,binder for plaster,plaster putty,binding filler,plaster mortar adhesive,tile ahesive,dry mixing mortar ...