FORD WSS-M21P25-B1

Description / Abstract: FORD WSS-M21P25-B1, 2006 Edition, February 20, 2006 - CORROSION PROTECTIVE COATING, ZINC NICKEL ALLOY, CHROMIUM-FREE PASSIVATE, U.V. RESISTANT BLACK SEALER ***TO BE USED WITH FORD WSS-M99P1111-A***

The materials defined by this specification provide a corrosion protective coating applied over steel. The materials consist of an alkaline zinc nickel alloy electro-deposit, followed by a chromium-free passivate, with the addition of a water soluble organic sealer designed to provide consistent torque-tension control and impart other desirable properties (i.e. additional corrosion protection, ultra violet protection, etc.).

The finish is free of chromium, lead, and cadmium.