Eastacryl 30D acrylic polymer is an aqueous dispersion of pH-sensitive, polymeric acrylic resin designed for use as an enteric coating for pharmaceutical tablets or granules. Eastacryl acrylic polymer withstands prolonged contact with acidic gastric fluids but dissolves readily in the mildly acidic to neutral pH environment of the small intestine. It can be applied from aqueous or aqueous/organic solvent solutions.