Preparation of heat barrier materials

Details Preparation of heat barrier materials Preparation of heat barrier materials

1971-06-28

1976-03-16

Husack, Ralph

Coating processes

Flame contact

264 29, 264 80, 423170, 423511, 423561, 427224, 427228, 427399, B05D 308

Patent

active

039446859

ABSTRACT:
Heat barrier materials are prepared by forming an intimate admixture of alkaline earth sulfate and finely divided carbonaceous material into a shaped composition and subjecting said shaped composition to a high temperature to cause a surface reaction to produce a coating comprising alkaline earth sulfide on the surface of said shaped composition.

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