Refractory heat insulating materials

Details Refractory heat insulating materials Refractory heat insulating materials

1975-04-24

1976-08-24

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 87, 264128, 264129, 427 45, 427379, C04B 4302, C04B 4304

Patent

active

039767280

ABSTRACT:
A shaped article of refractory heat insulating material is made by forming a mixture of inorganic refractory fibrous material and a binding agent which may be soluble or dispersible in a suitable liquid medium, forming the mixture to the desired shape, drying the shape in a first drying step, impregnating the so-dried shape in a second drying step, one of the drying steps being an homogeneous drying step and the other being a non-homogeneous drying step.

REFERENCES:
patent: 2865790 (1958-12-01), Baer
patent: 3233697 (1966-02-01), Stayter
patent: 3649406 (1972-03-01), McNish
patent: 3692497 (1972-09-01), Keith

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