Slurry for making felted ceramic insulation

Details Slurry for making felted ceramic insulation Slurry for making felted ceramic insulation

1995-06-05

1998-05-19

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501 80, 501 95, C04B 3500, C04B 3580

Patent

active

057535736

ABSTRACT:
A slurry is molded from ceramic fibers and/or microparticles to form a soft felt mat which is impregnated with a sol prior to drying the mat. A catalyst for the sol is caused to diffuse into the mat by exposing the mat to the catalyst and subjecting the mat to a soak time during which the catalyst diffuses into the mat and causes the sol to gel. The sol-gel binder forms bonds so that the mat is dimensionally stabilized. The mat is dried to produce ceramic insulation.

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