Socal U1 S1 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 Epoxy (EP) Silyl-modified polymers Polysulfides Silicones (Si) PU - Prepolymers Polyvinyl Chloride (PVC) SEALANT >> Paste SEALANT >> Plastisol Socal U1 S1 is a precipitated calcium carbonate. It is a fine, white and odorless powder. Special characteristics are the ultrafine, roundeal crystals in a regular grain structure with a organic surface treatment. SOCAL U1 S1 is a functional filler in many systems. For rheology control in viscosity and yield value of high viscosity products like PVC-plastisols for the underbody protection of cars and sealants such as polysulphides, epoxies, polyurethanes, modified silicones and silicones for the building industry. Fine, white and odorless precipitated calcium carbonate. Possesses ultrafine, roundeal crystals in a regular grain structure with a organic surface treatment. Used for rheology control in viscosity and yield value of high viscosity products like PVC-plastisols for the underbody protection of cars and sealants for the building industry.