Rokide Spray Units

Rokide Ceramic Spray EquipmentAstro Alloys offers The ROKIDE® Spray System, which is unique because it utilizes ceramic oxide rods. The rods are melted in a patented spray unit which projects the fully molten particles onto the substrate. The ROKIDE® particles cannot leave the spray unit until fully molten. These particles have high kinetic energy and high thermal mass, so they remain molten until they reach the substrate.

The deposit efficiency of the ROKIDE® gun is not dependent on the thickness of the coating. Therefore, thicker coatings -- greater than .030 inch (.8 mm) -- if required, can be applied without a reduction in deposit efficiency or quality.

Common Applications

Rokide® rods are available in many ceramic oxide compositions for a wide range of applications. ROKIDE® rods are sprayed through portable ROKIDE® spray units driven by electricity.  The surface to be coated is given an initial grit or pressure blasting with aluminum oxide to clean and roughen it. Complete information on proper ceramic grinding and lapping techniques can be provided.

ROKIDE® ceramic coatings, in conjunction with metal spray coatings, can be applied to metals to form a metal/ceramic composite with a controlled thermal gradient. This technique has proven successful in producing composites with varying heat transfer and insulation characteristics required for various applications.

Rokide® rods are available in aluminum oxide, chromium oxide, and zirconium oxide. 


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