E-Tec 529 is a liquid concentrate that inhibits corrosive attack for weeks to months, E-Tec 529 protects copper and copper-alloy parts while in process or short-term storage.
When diluted with water, it produces a non-greasy, colorless, and chemically bonded mono-molecular barrier film on copper, brass, bronze, and silver surfaces. Must be removed from surfaces with a soak cleaner to be plated.
