Reflective porcelain enamel coating compositions

Details Reflective porcelain enamel coating compositions Reflective porcelain enamel coating compositions

1998-10-28

1999-12-21

Marcheschi, Michael

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 16, 501 21, 501 24, 501 25, 501 26, 501 32, 501 57, 501 58, 501 59, 501 63, 501 64, 501 67, 501 69, 501 70, 501 72, 501 77, 501 78, 501 79, 501 65, 501 66, C03C 100, C03C 104, C03C 3076, C03C 3091, C03C 814

Patent

active

060048948

ABSTRACT:
The present invention provides a porcelain enamel coating composition for use in forming a coating composition upon a metal substrate having an infrared reflectivity of at least 50% at 2.5 .mu.-microns measured with a Perkin Elmer Lambda 19 UV/VIS/NIR spectrometer with a labsphere RSA-PE 19 reflectance spectroscopy accessory. The coating composition comprises a glass component and a separate and distinct addition of cerium oxide. Preferably, the coating composition comprises from about 0.20% to about 3.0% by weight of the cerium oxide.

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