Refractory, heat-insulating articles

Details Refractory, heat-insulating articles Refractory, heat-insulating articles

C - Chemistry, Metallurgy

04

B

261/24, 39/99

C04B 35/00 (2006.01) B22D 41/02 (2006.01) C04B 26/28 (2006.01)

Patent

CA 1153396

A B S T R A C T A shaped, refractory, heat-insulating article 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 article at high temperature. The article e.g. a slab is useful for lining metallurgical vessels e.g. tundishes.

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