Repair Hot Overcoat Alumina

Repair Hot Overcoat Alumina can be cast in a range of temperatures from 100°C to 1,500°C (212°F-2,732°F) either in contact with refractories or metallic forms. The self-flow rheology of the product provides unique ability to repair worn, inaccessible, or hollow areas, even at the highest temperatures.

Typical application

Repair Hot Overcoat Alumina is a self-flowing castable formulated with fused cast alumina, designed for hot repair operations in container, flat, and insulation glass furnaces. It is suitable for use in:

Superstructure
Bottom
Sidewall
Feeder
Crown

Advantages

Easy to Apply	Its free-flowing consistency allows for easy preparation and placement, even in complex repair areas.
Versatility	Its specific formulation makes it usable in all parts of the furnace.
Longevity	The unique formulation based on fused cast Alumina gives enhanced corrosion resistance properties

Chemical and physical properties

Microstructure

Typical chemical composition

Physical characteristics

Description	International standard	British standard
Bulk density	3.1T/m³	193pcf
Open porosity	15-18%	15-18%

Storage

Repair Alumina Premix: 25Kg bag (55.1lbs)
Repair Hot Overcoat Binder: 12.5Kg bag (27.5lbs)
Hot Overcoat Linquid Binder: 20Kg drum

Repair Materials

Repair Cast-in-Place Alumina

A self-flow concrete created with electro-fused alumina grains, especially formulated for cold repairs

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