Granular foam-glass material and method for the production...

Details Granular foam-glass material and method for the production... Granular foam-glass material and method for the production...

C - Chemistry, Metallurgy

03

C

261/2, 49/77

C03C 11/00 (2006.01) C03B 19/10 (2006.01) C04B 14/24 (2006.01)

Patent

CA 1138900

ABSTRACT A novel granular foam-glass material consists of fragments of a foam-glass body and has at least 100,000,preferably at least 1,000,000 bubbles per cm3 of at least approximately the same size. The foam-glass material of this invention is obtained by grinding the raw material into a flour, mixing this with an inflating agent which releases gas when heated, inflating the mixture, in a flat-bed furnace, to form a flat length of foam-glass, cooling this glass after it has been inflated, and crushing it into granules after it has been cooled. The foamed glass material of this invention has better compressive strength than can be obtained with known processes wherein the foam-glass has a structure lacking homogeneity.

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