C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/2
C04B 38/00 (2006.01) C04B 18/02 (2006.01) F16L 1/24 (2006.01)
Patent
CA 1259077
FIRED HOLLOW CERAMIC SPHERIODS Abstract of the Disclosure A hollow, ceramic macrosphere or spheriod comprising a relatively smooth outer skin and cellular shell is produced in the 2-20 mm diameter range with specific gravities in the 0.2 - 1.2 range. The spheriods can be rendered inert to water and are stable at temperatures of 800 to 1000°C, depending on their composition. The porosity of the shell can be controlled through various additives and/or epoxy resin coating. The spheriods may be made from common clay and sodium silicate.
513783
Minnesota Mining And Manufacturing Company
Smart & Biggar
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