Thixo-Carb PCC Precipitated calcium carbonate Specialty Minerals Rheology Modifiers / Thickeners >> Mineral >> Precipitated calcium cabonate Epoxy (EP) Polysulfides Silicones (Si) PU - Prepolymers Polyvinyl Chloride (PVC) SEALANT A series of ultrafine coated PCCs representing a range of surface areas and coatings specifically designed to meet the critical rheological properties of numerous construction and automotive sealant systems including PVC, plastisols, urethanes, silicones, polysulfides and epoxies Ultrafine precipitated calcium carbonate. Used as rheology modifier in sealants. Designed to meet critical rheological properties.