FIELD: manufacture of building materials.
SUBSTANCE: raw meal comprises 30-35% clay materials, 50-55% iron ore concentration waste, and additionally 15-20% of finely ground broken glass, said waste containing, wt %: SiO2 33.5, Al2O3 7.8, Fe2O3 13.9m TiO2 0.4, CaO 16.5, MgO 11.84, R2O 4.8, SO3 14.7, MnO 0.4, and other 10.4.
EFFECT: increased strength and frost resistance of ceramic products.
2 tbl
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Authors
Dates
2004-07-20—Published
2002-12-23—Filed