Composición líquida para reparación en frío de productos de caucho y revestimientos industriales, método de obtención de dicha composición y su uso

The invention relates to a liquid composition for the restoration and recovery of worn surfaces of natural or synthetic rubber, or as a conservative against oxidation or other corrosive agents having a liquid consistency at room temperature and physical durability properties similar to those of polyurethane. Said composition consists of a base composition comprising polyurethane prepolymer, a solvent and a pigment; and a catalyst. The invention also relates to a method for producing said composition and to the use of same for the rapid and definitive cold repair of rubber conveyor belts for fabric or steel cables, for the recovery of driven pulleys, and damage to belts, for the preparation of moulded parts, for the repair of conveyor belts in an inclined position and for the sealing of joints of concrete blocks.