Didier-werke Ag

Gunter Tkotz

Hermann Stein

Axel Eschner

Rudolf Ganz

Klaus Kreuels

Plastic composition which can be processed into a fire-resistant material, use thereof, and process for its production, which process comprises mixing ceramic fibers with a substantially dry organic bonding agent to produce a first mixture, mixing the first mixture with water to produce a second mixture, mixing the second mixture with clay to produce a third mixture, and mixing the third mixture with an aqueous solution of an organic bonding agent to produce a fourth mixture, with the proviso that the ceramic fibers account for at least 74% by weight of the solids content in the plastic composition.

Process for producing a plastic composition which can be processed into

Granular, fire-resistant material, use thereof and process for its production, which process comprises mixing ceramic fibers, a refractory material such as clay, a phosphate bonding agent and water, to form a substantially uniformly dispersed mixture, compacting the mixture by a volume coefficient of at least 3, subjecting the compacted mixture to heat-treatment, and granulating the thus heated product.

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Wiesbaden, Germany

Gunter Tkotz