| 摘要 |
<p>Corrosion inhibitor for metals, particularly iron, contains (a) 5-50 wt. % di-n-butylthiourea (b) 5-95 wt. % of a reaction product of castor oil and 20-80 moles ethylene oxide (c) 0-90 wt. % of an organic solvent soluble in acid (d) 0-90 wt.% or of an inert inorganic solid.</p> |
