Socal 31 Precipitated calcium carbonate 471-34-1 Solvay Advanced Functional Minerals Extenders / Fillers >> Calcium Carbonate, precipitated Rheology Modifiers / Thickeners >> Mineral >> Precipitated calcium cabonate Acid Absorber / Acceptor Polyvinyl Chloride (PVC) SEALANT >> Plastisol Socal 31 is a ultrafine precipitated calcium carbonate. It is a very fine, white and odorless powder. Special characteristics are the very high fineness, with regular roundeal grain structure and the high purity. SOCAL 31 is a functional filler in many systems. The high specific surface of Socal 31 is the reason for the usage as a filler with the ability of rheological control in PVC-plastisols and sealants for the building industry. PCC Ultrafine, white and odorless precipitated calcium carbonate. Possesses a very high fineness, with regular roundeal grain structure, a high purity and a high specific surface. Used as filler with the ability of rheological control in PVC-plastisols and sealants for the building industry.