LAS VEGAS — Advancements in aluminum passivation chemistry by the U.S. Navy have resulted in the development of a hex-chrome free conversion coating that is designed to add significant corrosion ...

“The passivation layer provides a beneficial passivation effect, that is, chemical passivation or field-effect passivation,” they said. “Chemical passivation decreases the total number of ...

The fasteners are made of alloy steel, heat-resistant stainless steel, super alloy with coatings such as silver plating, aluminium ion vapor deposition and passivation,” a company official said.