HPMC for Building material, White powder or granule, Usage: retaining agent,binder for plaster, ... for buliding material Usage:It is widel used as thickener, adhesive, water preserving agent, film-forming agent in construction, building materials, dispersion ... in polyethylene film bag and then in PE bag. Net weight is 25kg per bag. Specifications: 1.Appearance: HPMC is white ...