| abstract |
Disclosed are a metal rinsing agent composition having high water repellency and a metal rinsing method using the rinsing agent composition. A metal rinsing composition containing a polyamine represented by formula (1). A rinsing agent composition for metal in which triamine has n1 + n2 of 2 and preferably has a linear structure. A rinsing agent composition for metal, wherein the proportion of triamine in the polyamine is more preferably 40% by mass or more. (R1 is a C6-22 linear / branched alkyl group, alkenyl group, alkanoyl group or alkenoyl group; R2 and R3 are each independently CmH2mNH; m is an integer of 1 to 4; n1 and n2 are 0 to 2 Integer; 1 ≦ n1 + n2 ≦ 2) [Selection figure] None |