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FIELD: chemical technology. SUBSTANCE: amorphous aluminium oxide is crushed, washed and plasticized. Powder of technical clay or slip of ceramic production (its quantity being 5-80 mass % ) is added into plasticized mass. The process is followed by hydrocarbon-ammonium molding. Thus prepared granules are dried and calcined. Mechanical strength of granules is 200-240 200-240 kg/cm, their specific surface being 18-20 18-20 m/g. EFFECT: increases thermomechanical stability, lows price of the process. 1 tbl
SU4378925/02A1988-02-091988-02-09Method of producing spherical granules of active aluminium oxide
SU1515609A1
(en)
Process for the production of mouldings, mixtures suitable for this consisting of compounds reactive towards isocyanate groups and mouldings obtained according to this process