... powder or granule, Usage: retaining agent,binder for plaster,plaster putty,binding filler Manufacturer sell Hydroxypropyl MethylCellulose (HPMC/MHPC)HPMC powder ... and daily-use chemicals . Retaining agent,binder for plaster,plaster putty,binding fillerPackaging Detail: 1.Double-layer Bag, The product is ...