Rapid developments in technology for manufacturing refractory castables over the last decade have led not only to powerful transformation in castable preparation and application, but also to notable advances in product properties. The constantly growing demand particularly from steel and foundry industry hasn’t allowed the pace of development to be compromised. The following section briefly elaborates on the merits and applications of Refractory Castables.
Advantages Of Refractory Castables:
Shrinkage: Typical problems like warping or burning cannot be associated with Refractory Castables even at extremely high temperatures. As the chemical reaction starts, the powder starts creating ceramic bonds subsequently.
Green strength: with strength similar to conventional concrete refractory castables can be driven easily even before getting fired.
Fire strength and toughness: Refractory castables are harder than conventional concrete. Due to its ability to collect and arrest crack propagation it is tougher than ceramics. High Alumina Refractory Castables are known for its strength.
Drying Time: refractory castables take less time to dry and dismiss water from its surface. High Alumina Refractory Castables are used as a binder, also they take very short time for setting that conventional cement.
Thermal shock: Refractory castables are highly adaptable to temperature changes. They are designed and manufactured such that they handle rapid changes and fast firing.
Applications Of Refractory Castables:
Castables are used to make burner blocks to withstand the decreasing outcome of oil firing and localizing over heating caused by carbon build up.
Used in the lining of sidewalls to get more support by using ceramic anchors. This gives more adequate lining than brick line up.
They are used in steel industries and glass industries.
Castables are used to make furnaces. They increase the rate of intermediate repairs and decrease number of joints to reduce heat loss.
Due to their evident advantages Refractory Castables are high on demand. They show exceptional performance with their physical, mechanical and thermal properties, and are used in large number of industries.
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