ER-II
A diphenylethylene-type brightener for polyester, especially low-temperature fixing and absorption.
Application Performance
ER-II is a diphenylethylene-type compound. It is insoluble in water but readily soluble in most organic solvents and is stable with cationic softening agents. It can be used in the same bath with sodium hypochlorite, hydrogen peroxide and reducing bleaching agents. It is suitable for brightening polyester, acetate fiber and polyvinyl materials, especially in low-temperature fixing and absorption processes.

