DYNAMAX Emulgol DS 30 is used in the form  of aqueous,cooling and lubricating emulsions  in turning steel, cast iron, non-ferrous metals.  Recommended working concentration of emulsion  (prepared in water with hardness up to 20 °  N) depending on the method and material: 3-5%  grinding,5-10% turning, milling, drilling, 10-15%  threading.   SDS-Dynamax Emulgol DS 30 CLP2017 DYNAMAX Emulgol DS 30 (TDS, 2018)