Light foaming, cathodic-anodic pickling inhibitor for high and low carbon steel in acidic solutions of hydrochloric and sulphuric acids. Reduces consumption and evaporation of acid from the bath, reduces wear and hydrogenation of pickled parts, increasing their resistance to secondary corrosion. Washes off and emulsifies residues of fats, oils, greases, polishing pastes and coolants. Increases adhesion of galvanic coatings, paints and varnishes to activated surfaces. Guarantees high quality of the surface of the etched parts. Works perfectly with INWEXOL EMI and EM.