... for Building material, White powder or granule, Usage: retaining agent,binder for plaster,plaster putty,binding filler Manufacturer sell Hydroxypropyl MethylCellulose (HPMC/MHPC)HPMC powder for ... use chemicals . Retaining agent,binder for plaster,plaster putty,binding fillerPackaging Detail ... similar to white fiber or granular powder; odorless. 2.Properties: almost insoluble ... HPMC for Building material