HPMC for Building material, White powder or granule, Usage: ... plaster,plaster putty,binding filler Manufacturer sell Hydroxypropyl MethylCellulose (HPMC/MHPC)HPMC powder for buliding materialUsage:It is widel used as ... Net weight is 25kg per bag.Specifications:1.Appearance: HPMC is white or similar to white fiber or granular powder ... 0.70g/cm3, density is 1.3g/cm3., Chemical HPMC for Building material