TectorSpex 703 Reparación R3 is a single-component, thixotropic, fiber-reinforced, shrinkage-compensated cementitious mortar with a medium modulus of elasticity, containing sulfate-resistant cement and corrosion inhibitors (which offer additional protection to the concrete against harmful external agents that can compromise its structural stability). It is specially indicated for the structural repair and reconstruction of concrete elements. It complies with the Class R3 requirements of the UNE EN 1504-3 standard and Principle 7 of the UNE EN 1504-9 standard.