Refractory, heat-insulating liner

Details Refractory, heat-insulating liner Refractory, heat-insulating liner

1983-01-24

1984-11-20

Hayes, Lorenzo B.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

75 95, 106 3823, 106 385R, 106214, 523147, 524 47, B28B 736

Patent

active

044839464

ABSTRACT:
A shaped, refractory, heat-insulating liner comprises particulate refractory material, a water-soluble borate compound and, as binder, starch and a urea-formaldehyde resin. The starch helps provide suitable transverse strength, the resin protects the starch from moisture and promotes good surface properties and the borate compound enhances the transverse strength and the integrity of the liner at high temperature. The article e.g. a slab is useful for lining metallurgical vessels e.g. tundishes.

REFERENCES:
patent: 2127298 (1938-08-01), Isaacs
patent: 2399489 (1946-04-01), Landes
patent: 2452054 (1948-10-01), Jones et al.
patent: 2523626 (1950-09-01), Jones et al.
patent: 3155527 (1964-11-01), Mentzer

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