If the physical indicators of clay do not meet the technological requirements, stabilizing additives are introduced into it. Further, in special devices equipped with water or steam supply systems, mixing process takes place. To increase the homogeneity of the mixture, re -grinding is carried out by wet grinding. Then the mass, to increase the molding properties, is sent for retirement — for several days they can be kept in concrete or steel margins. After that, it is submitted to the extruder — a strip press where the molding of a whole beam is carried out. The humidity is about 20%.
The molding of a
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