Calcium Carbonate for Sealants A sealant is a material designed only to fill up a space. The spaces can be joints, gaps or cavities that occur between two substrates.Shivish Microns LLP Ground Calcium Carbonate is widely used in adhesives, caulks and sealants applications as a rheology modifier, cost-reducing filler, tensile strength enhancer, toughening agent, opacifier and/or whitening agent. Shivish Microns LLP manufactures four types of minerals used in adhesives and sealants. They range from inexpensive Ground Limestone (Calcium Carbonate) fillers that reduce costs to Talc that contributes to impermeability and chemical resistance. Each mineral contributes in the successful application and performance of sealants and adhesives. Please contact us for more details and to get the related Calcium Carbonate TDS