Process for fabrication of dense-structure refractories which ha

Details Process for fabrication of dense-structure refractories which ha Process for fabrication of dense-structure refractories which ha

1978-12-15

1982-01-12

Parrish, John

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By mechanically introducing gas into material

264 67, C04B 3322

Patent

active

043104800

ABSTRACT:
A process by which dense structure refractories that have resistance to spalling may be produced which comprises building up secondary particulates from fine and/or ultra-fine particles of primary particulate, separating the thus prepared secondary particulates, reconstituting the batch within a definite range and proportion of particle size composition, molding the thus reconstituted batch under a predetermined pressure and finally firing the above molded material is disclosed.

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