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CHEMEON Surface Technology (formerly Metalast)


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Specialty Chemicals for Chromate Conversion / QPD-81706B Approved Chemistries

CHEMEON Surface Technology (formerly Metalast), with roots dated back to 1994, is a business-to-business provider offering metal surface engineering solutions to its global customers. Located in Minden, Nevada (40 miles south of Reno), it was the first chemical company licensed by the United States Department of Defense, United States Navy to commercialize and bring to market TCP-HF (hex free), a replacement for the carcinogen Hexavalent Chromate.

CHEMEON’s comprehensive line of metal finishing chemistry is a one-stop solution for all your needs including cleaning, extending corrosion resistance, sealing, improving paint adhesion and coating durability. Our products are valued and used by “Fortune 500” companies across diverse industry sectors such as aerospace, automotive, cookware, electronics, heavy equipment, marine, medical, and military. A few of CHEMEON's clients include the United States Navy, United States Marine Corp, NASA, UTC Aerospace Systems, Raytheon, Haas Group International, Honeywell, BAE Systems, Piper Aircraft, Rock Island Arsenal, Moog Aircraft Group, Lockheed Martin. MST patented and proprietary chemistries are internationally recognized for providing environmentally responsible metal treatments and solutions.

These solutions are also designed to increase productivity and profitability, while improving consistency and elevating the standard of the finishes they provide. Consequently, if you are a metal finisher, you can increase throughput while improving the services you offer to your customers; if you are a manufacturer, you can achieve the higher quality, tighter tolerances and repeatability that will keep you competitive in today’s global market; and if you are a customer, you can enjoy safer products that will perform better and last longer. CHEMEON chemistries and business solutions provide a “win-win” environment for metal finishers, manufacturers, and consumers, alike.

Primary Chemical Applications:

  • Aluminum Chromate Conversion & Anodize Seal
  • Anodizing Additive
  • Galvanized Steel
  • Powder Coating
  • Spray Painting
  • Magnesium Alloys
  • Zinc-Nickel Plating




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CHEMEON Surface Technology (formerly Metalast) is listed in these service categories:



Technical Articles

ADVANCED TRIVALENT CHROMIUM SEALS FOR HARD-COAT ANODIZED ALUMINUM ALLOYS (Industrial Coatings and Sealants) Hard-coat (Type III) anodized aluminum alloys have been used by the military, aerospace, automotive, and other industries for applications where superior hardness and wear resistance are required. In... (View Full Article)
Alkaline Corrosion-Resistant Sealant for Anodized Aluminum Alloys (Industrial Coatings and Sealants) Corrosion resistance of anodized aluminum sealed with conventional and a new sealant was tested against the alkaline, acid and neutral chloride salt solutions. (View Full Article)


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CHEMEON Surface Technology (formerly Metalast)
CHEMEON Surface Technology (formerly Metalast)
CHEMEON Surface Technology (formerly Metalast)