... .moisture:below5.0 HPMC is density additive and plaster mortar adhesive. HPMC/MHPC plaster mortar adhesivesCellulose ethers mainly include HPMC,HEMC and ... : hydroxy propyl methyl celluloseUsage:retaining agent,binder for plaster,plaster putty,binding filler,plaster mortar adhesive,tile ahesive,dry mixing mortar adhesives...etc ... than happy to help you what you need. HPMC/MHPC plaster mortar adhesives