Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1983-06-06
1984-09-04
Kaplan, G. L.
Coating processes
With post-treatment of coating or coating material
Heating or drying
106 84, 501 89, 501 97, C09D 102
Patent
active
044697210
ABSTRACT:
A high emissivity refractory coating comprising a cured coating composition comprised of a powder mixture containing 17 to 22% by weight of silicon carbide, 6 to 11% by weight of graphite, 17 to 22% by weight of aluminum oxide, 2 to 5% by weight of silicon nitride, 8 to 12% by weight of tricobalt tetroxide, 18 to 22% by weight of cobalt aluminum oxide and 18 to 23% by weight of ferrosilicon, and an aqueous solution of potassium silicate. The high emissivity refractory coating is applied onto the surface of furnace refractories or ceramic fibers. The coating does not peel from the surface of the furnace wall and increases the energy efficiency of the furnace.
REFERENCES:
patent: 2806005 (1957-09-01), White
patent: 3615782 (1971-10-01), Bawa et al.
patent: 3892584 (1975-07-01), Takeda et al.
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