[408700-1L] Poly(ethyleneimine) solution average Mw 1800, 50 wt. % in H₂O 647,570원
[408700-5ML] Poly(ethyleneimine) solution average Mw 1800, 50 wt. % in H₂O 115,060원
[408700-250ML] Poly(ethyleneimine) solution average Mw 1800, 50 wt. % in H₂O 238,150원