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Surface Technologies

Rainbow makes use of advanced surface technologies to improve the surface properties of components and provide protection against wear, corrosion, thermal shock and abrasion.


Thermal Spray

Rainbow offers various types of thermal spray technologies to provide surface properties that suit customer needs. High Velocity...


Rainbow has a state of the art electro-plating plant that provides hard chrome plating, nickel plating, electro-less nickel,...

Slurry Coatings for Gas Turbine Components

Rainbow offers advanced SermeTel® & SermaLon® protective coatings for the power generation industry. SermeTel® slurry coating provides unsurpassed...

Heat Treatment

Rainbow provides various heat treatment services that meet the highest international standards.The heat treatment furnace capacities allow for...