Calcium Carbonate for Film Shivish Microns LLP calcium carbonate is currently used to enhance mechanical properties and improve productivity in a wide variety of film applications. Shivish Microns LLP Calcium carbonate can boost the output of processing lines while achieving improved impact strength and higher stiffness. The major benefits of Shivish Microns LLP calcium carbonate in film include Increased specific output Faster heating and cooling Higher production line speed Enhanced machine uptime Lower raw material costs Higher stiffness High dispersion Lower film density Higher opacity