solvent-free, tar-modified epoxy paint, resistant to acidic chemicals, sulfur gases and chlorides, strong adhesion to metal, surfaces and asphalt, approved by the national organization for potable water and sanitary drainage (nopwasd). Painting concrete and metal foundations of structures and bridges, wastewater treatment plant insulation works, external painting of tanks and metal structures, protection and painting of petroleum facilities and concretes that are always exposed to water