This coating is similar to TOPCOAT Ultra, however the plasma sprayed nickel-chrome based adhesive layer is replaced by an HVOF sprayed nickel based superalloy (TOPCOAT 177).
As a result the corrosion resistance and resulting operational reliability is improved. Typical applications are the same as those of TOPCOAT ULTRA applications:
Plasma spraying is particularly suitable for materials with a high melting point such as ceramic materials.
The coatings sprayed with HVOF are characterized by a low porosity and a high bonding strength.
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