Ceramic fiber refractory mixture

Details Ceramic fiber refractory mixture Ceramic fiber refractory mixture

1982-04-16

1983-11-29

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

501 95, 501109, 501111, 501118, C04B 904

Patent

active

044179251

ABSTRACT:
A dry, lightweight refractory mixture which can be shipped and stored in a dry form, but which becomes plasticized upon the addition of water to yield a moldable, air-setting, insulating refractory composition, the dry refractory mixture including from about 35 to about 70% by weight ceramic fiber; from about 10.5 to about 40% by weight setting agent, preferably a mixture of aluminum phosphate powder and calcined magnesia powder; from about 5 to about 20% by weight of dry, water-soluble, powdered resin binder prepared from urea formaldehyde or melamine formaldehyde, and from about 0.3 to about 2% by weight of dry, water-soluble, non-ionic, powdered organic polymer gelling and cohesion enhancing agent. The dry mixture also preferably includes from about 0.5 to about 2.0% by weight of a dry, water-soluble acidifying agent for catalyzing the air-setting of the plasticized composition.

REFERENCES:
patent: 3835054 (1974-09-01), Olewinski et al.
patent: 4048134 (1977-09-01), Courtenay et al.
patent: 4089692 (1978-05-01), Toeniskoetter et al.

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