Black trivalent is a chromate conversion coating for zinc and zinc alloy deposits. Black trivalent coating produces a uniform gloss-black and self-healing finish. It has excellent stability and tolerance to high levels of zinc contamination. Black trivalent is considered the environmentally friendly alternative to hexavalent chromium.
ZN 1596
TRI-VALENT BLACK CHROMATE
Description
ZN 1596 is a high performance, easy start-ups, no break-in period trivalent black chromate conversion coating for electroplated zinc.
ZN 1596 works together with ZN 1596S, a sealer to provide maximum salt spray hour.
ZN 1596 has excellent stability and shelf-life. Does not degrade or precipitate during hard production runs or long shut down periods.