Compositions: coating or plastic – Coating or plastic compositions – Alkali metal silicate containing
Patent
1998-01-09
1999-08-31
Marcantoni, Paul
Compositions: coating or plastic
Coating or plastic compositions
Alkali metal silicate containing
106605, 106692, 106694, 106696, 252 62, 501127, 501128, 501129, 501133, C04B 732, E04B 174
Patent
active
059448881
ABSTRACT:
The present invention is directed to an insulating coating for refractory articles, adapted to be applied by spraying or gunning, which is easy to apply, cost effective, eliminates the potential health hazards associated with ceramic fiber paper, and which imparts sufficient insulating properties to the refractory article in high temperature environments. More particularly, the present invention is directed to an insulating coating and a method of preparing the insulating coating wherein the coating composition is comprised of about 25% to about 75% by weight of lightweight aggregate, up to about 25% to about 75% by weight of binder, up to 0.5% by weight of organic fiber, up to about 15% by weight of an additive to improve green strength, and up to about 5% by weight of a foaming agent.
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Fura Daniel F.
Perich Regis M.
Prior, Jr. Harold D.
Marcantoni Paul
North American Refractories Co.
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