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  Low cement castable is a kind of refractory castable with a high service temperature above 1550℃, which uses aluminate cement as binder, content of CaO less than 2.5%. Low cement castable composition mainly consists of refractory aggregate, refractory powder and water. Compared with traditional refractory castable, it has a series of good performance such as low cement, low porosity, good volume stability and high cold-curing-strength. And also low cement castable density is higher than other refractory castables.
 
  Application: It is widely used in metallurgical industry, petrochemical industry, power plant, construction field and other industries. This kind of castable refractory mainly includes high alumina low cement castable, corundum low cement castable and mullite low cement castable, which can be used for furnaces and boilers in different areas according to various composition. Fire clay and high alumina low cement refractory castable can both be used on the linings of heat furnace, soaking furnace and other heat treatment furnaces.
 
  Specifically, with different aggregates, it is applied on different kilns. Millute low cement castable can be used on the lining of high temperature burner and wrapping lining of heating furnace water cooling tube, and corundum and chrome corundum low cement castable can be used on lining of frequency induction furnace and high temperature areas of petrochemical catalytic cracking reactor.
 
  Advantages of Low Cement Castable
 
  High Refractory Temperature and Strength and High Anti – Slag Corrosion Resistance.
 
  Low Porosity and High Bulk Density. During the construction process, only 1/3~1/2 amount of water for traditional castable will be added into it.
 
  Increasing Strength With The Improving Temperature of Heat Treatment After Casting Into Shape: With proper adjustment of the castable size, it can be mixed into self-flow castable and pumped pouring material.

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