Dolocron Limestone Dolomitic limestone Specialty Minerals Extenders / Fillers >> Dolomite Extenders / Fillers >> Limestone SEALANT ADHESIVE These dolomitic limestone products are commonly used in joint compound, flooring adhesives, caulks and construction sealants. They exhibit consistent particle size, reliable absorption and superior color Dolomitic limestone. Used in flooring adhesives, caulks and construction sealants. Exhibits consistent particle size, reliable absorption and superior color.