| 摘要 |
<p>A rust-preventive pigment composition characterized by containing a white rust-preventive pigment and an inorganic anion exchanger of the general following formula (1): (3∩4) [M1]O.A12O3. [M2] X2/m.nH2O (wherein M1 and M2 are each at least either Ca?+2 or Zn+2¿; X is at least one anion selected from among NO¿2?-, NO3- and MO¿4?2-; m is a valence of the anion; and n is 20 or less) as the main components.</p> |
