Hypernyms (currency is a kind of...): medium of exchange; monetary system (anything that is generally accepted as a standard of value and a measure of wealth in a particular country or region). Hyponyms (each of the following is a kind of currency):money (the official currency issued by a government or national bank). Eurocurrency (currency of the major financial and industrial countries held in those countries for the purpose of lending and borrowing).edium of exchange; monetary system (anything that is generally accepted as a standard of value and a measure of wealth in a particular country or region). Hyponyms (each of the following is a kind of currency):
Polyurethane combines the best properties of rubber and plastic, without the weaknesses inherent in plasticized vinyl films. Because it contains no plasticizers, it is not subject to the brittleness and other problems caused when they leach to the surface.
A polyurethane system will mostprobably contain one or more catalysts.ii/ A polyurea coating is the result of a one-step reaction between an isocyanatecomponent and a resin blend component. The isocyanate can be monomer based, aprepolymer, a polymer or a blend.