Method for producing high alumina refractory material

Details Method for producing high alumina refractory material Method for producing high alumina refractory material

1973-04-24

1976-04-27

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

106 62, 106 65, 106 734, 264 42, 264 82, 264333, C04B 3564

Patent

active

039535630

ABSTRACT:
A method in the manufacture of high alumina refractory bricks containing more than 50% by weight alumina, in which moist refractory starting material is pressed into brick shapes, dried and hydrothermally bound. The principal binding agent used is finely divided activated alumina and is either added alone or together with any one of the substances slaked lime, slaked magnesia and finely divided silicon dioxide. The conditions chosen for the hydrothermal treament being such as to convert essentially all the activated alumina into boehmite.

REFERENCES:
patent: 2881051 (1959-04-01), Pingard
patent: 3565646 (1971-02-01), Housh
patent: 3608060 (1968-09-01), Osment
patent: 3725032 (1973-04-01), Kihlstedt

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