It is a medium alkaline product which is generally preferred in rectifying operations. Can be used as dipping and spraying. It is suitable for iron, steel, zinc and aluminum surfaces. After cleaning, a corrosion-resistant layer will form on the surface and will temporarily protect against corrosion. The bath is installed at a concentration of 3-5% by weight, the processing time is 5-10 minutes, the temperature 60 – 80 ° C will be sufficient for surface cleaning. If the rate of dirt is high, the temperature, duration or concentration should be increased.