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Navy Develops Environmentally Friendly Protective Chromium Coating for Aluminum
NAVAIR PATUXENT RIVER Media Source: Federal Technology Transfer Success Stories
 
About the Technology:
Click to View Full Size ImageThe first drop-in replacement for the ROHS, WEEE, and ELV directive's designated carcinogen hexavalent chromate. The coating is the only coating in the world that is an environmentally safe and economical replacement that meets or exceeds corrosion protection, electrical conductance, and paint and rubber bond adhesion specifications for all hexavalent chromate applications. The coating was developed by the Naval Air Systems Command (NAVAIR) Patuxent River, Maryland because of the lack of commercially available alternatives to the industry accepted hex material. TCP-HF can be used on aluminum, zinc, copper, brass and a wide variety of other metals. The technology was licensed to METALAST International in 2005 and is commercially available worldwide.

 
Applications:   Military and Commercial Significance:
Hexavalent chromates have been used extensively worldwide in just about every manufactured item until banned by the various directives over the past few years due to being considered a highly toxic carcinogen. "The problem was that no non-hex products existed that provided the same type of protection and performance. The Navy solved that worldwide manufacturing and environmental challenge with the invention of TCP-HF and METALAST is proud to bring the product to market" said Joe Radzvilowicz, Senior Vice President of METALAST International in Minden, Nevada. "The product is now available on a production basis with technical test data and samples being provided as required."

  Strong, lightweight aluminum is the metal of choice for airplanes, automobiles, appliances, construction materials, satellites, and many other household and military products.

Because it corrodes easily when exposed to the elements, aluminum must be coated to extend its useful life.

Until the advent of NAVAIR’s trivalent chromium, no effective alternatives emerged to meet or exceed industry standards.
 
Industry Contact:   Government Contact:
METALAST International, Inc.
2241 Park Place
Minden, NV 89411

Telephone: (775) 782-8324
Country: USA
   Naval Air Systems Command

Patuxent River, MD 20670-1547

Telephone: (301) 342-5586
 


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