HPMC for Building material, White powder or granule, Usage: retaining agent,binder for plaster,plaster putty,binding filler Manufacturer sell Hydroxypropyl MethylCellulose ... -forming agent in construction, building materials, dispersion coating, wallpaper paste, polymerization aids, leathers, printing ink and paper making etc.l also ... 70g/cm3, density is 1.3g/cm3., Chemical HPMC for Building material