H Series - High Temperature Coatings
Product Identification: HPC H Series Coatings
H Series coatings are made up of inorganic materials to provide high temperature service under
various conditions. This type of coating incorporates an inorganic binder system containing
aluminum. The coating does not contain any VOCs (volatile organic compounds). Due to the
galvanic activity of the matrix of the coating, H Series coatings provide excellent protection from
corrosion to the substrate. H Series also prevents corrosion resulting from undercutting of the
H Series coatings are designed to be sacrificial. This protects the substrate metal from corrosion
and thermal fatigue. H01 or H05 may be used as a corrosion barrier primer for painting and/or
other topcoats. H01 and H05 are available as polished aluminum, satin, brushed, or topcoated
These coatings are durable and functional with a high level of malleability with excellent adhesion.
H01 and H05 have a low emissivity for reducing the absorbance of infrared thermal energy. This
effect is also the reason that the coatings will cool quicker than the substrate material.
H Series coatings also allow the parts to maintain a uniform temperature over the entire area of the
substrate material. When the coatings are used in high temperature exhaust gas path applications,
the temperature in the tube is maintained uniformly throughout the pipe, allowing the low air
density to be decreased. Increased gas path temperatures and decreased pressures assist in
increased engine efficiencies.
H Series coating application closely reflects the thermal expansion rate of the substrate where
applied, eliminating separation, stress cracks, and delamination of the coating.
H Series coatings can be further protected by using a two-coat system that further protects against
oxidation from galvanic activity. These coating systems are available in semi gloss black, gray,
red, forest green, and dark blue.
Additional coats may be applied to give increased thickness and longer corrosion resistance.
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