Corning Glass Works

Carol F Pride

Robert D Shoup

Randy Lee Rhoads

Joseph W Malmendier

Robert J Schlaufman

A method is disclosed for producing low density, ceramic bodies in the nature of hollow or solid beads which may be used as such or bonded into a unitary mass. The bodies are composed of ion-exchanged, synthetic mica crystals wherein large cations, such as K.sup.+, have been exchanged for lithium and/or sodium ions from the mica. The method involves forming a gel by dissolution of a synthetic mica in a polar liquid, releasing droplets of the gel into a fluid to form shaped bodies, effecting the indicated ion exchange, and drying the beads thus formed.

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Big Flats, NY, United States of America

Carol F Pride