This International Standard specifies the requirements for zinc polycarboxylate dental cements whose main components are zinc oxide and aqueous solutions of polyacrylic acid or similar polycarboxylic compounds, or powders of zinc oxypolycarboxylic acid for mixing with water. The cements referred to in this International Standard are those used for bonding or sealing appliances to oral structures or other appliances, or to serve as a base or foundation for other filling materials, or to temporarily serve as a filling material.