Profile: GEO Specialty Chemicals offers naphthalene sulfonate products, which is used as dispersants in the concrete admixture, gypsum, oil field, ceramics and polymerization industries. Our Nopcote® brand calcium stearate is widely used in the concrete admixture and block industry as a water proofing aid. Our formaldehyde is a liquid product that is used in urea/melamine-formaldehyde resins, medical products, biocides, electronic components and herbicides applications.