IME for zinc plating

IME (aqueous anodic polymer)
Chemical name: aqueous anodic polymer
Molecular formula:
CA No. 68797-57-9
Appearance Yellowish aqueous solution
Assay Approx. 35%
Densityg/cm3 (20 C) Approx. 1.1~1.2
PH 5.0-7.0
Refractive Index (20 C) 1.4100-1.4120
Level of addition 10~100 mg/l
Solubility (20 C) Water:In any ratio methanol: in any ratio
Application:
　　　　It is a polymer from reaction product between the imidazole and the epichlorohydrin, in electroplating, it is used as primary brightener combining with BN-Betain for cyanide and alkaline cyanide - free zinc plating.