Carbital 60 Uncoated calcium carbonate Imerys Extenders / Fillers >> Calcium Carbonate, ground Rheology Modifiers / Thickeners >> Mineral >> Precipitated calcium cabonate Polyvinyl acetate emulsions & derivatives (PVAc…) ADHESIVE SEALANT Calcium carbonate. Fine ground calcium carbonateb is used in a wide range of sealant and adhesives applications to improve rheological properties and reduce water or volatile content of the compound. Carbital 60 high whiteness Application: PVA/starch/dextrin adhesives for packaging. Fine ground calcium carbonate. Used in a wide range of sealant and adhesives applications such as PVA/starch/dextrin adhesives for packaging. Improves rheological properties. Reduces water or volatile content. Offers high whiteness.