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Zibo Yuntai Technology Co., Ltd.

China Manufacturer with main products: Aluminum Silicate Fiber, Ceramic Fiber, Heat Preserving Products, Fireproof Products, Alumina Silica, Ceramic Fiber Product

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refractory castable for blast furnace

FOB Price: 650.00 - 700.00 USD/Ton
Supply Ability: 1,200 Ton per Month
Shipping: 20days
Payment Terms: L/C, T/T
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shandong in China
Packaging Details: woven bag


Features for Aluminate cement:
1.high strength under high temp
2.ideal binder for refractory concrtet&refracory castable 
High Alumina Cement
High alumina cement is a rapid-hardening cement made by fusing at 1,500° to 1,600° C (2,730° to 2,910° F) a mixture of bauxite and limestone in a reverberatory or electric furnace or in a rotary kiln. It also can be made by sintering at about 1,250° C (2,280° F). Suitable bauxites contain 50 to 60 percent alumina, up to 25 percent iron oxide, not more than 5 percent silica, and 10 to 30 percent water of hydration.
High alumina cement is produced by preparing raw material consisting of applicable bauxite and limestone, burning the raw material and grinding into cement
The high alumina cement can resist a high temperature at which a relative high temperature at which a relative high strength still remains. Its refractoriness increases with the content of CA2. Therefore it is suitable to make refractory concrete as a binder. Depending on the refractory aggregate (fireclay, high aluminum)used, the refractory concrete made of the cement can be used below 1400°C.
Although the early strength of high alumina cement develops rapidly, its later strength decreases. The rates of castable conversion and strength reduction relates to atmospheric temperature and humidity. In the saturated steam at 35°C,the conversion is complete in 28d and the strength decreases to the minimum, in the dry air below 20°C,the conversion is very slow. So the HAC is not suited to use in building engineerings. If it is used in construction, matters needing attention given in the appendix GB201 must be followed . In order make use of strong points of HAC and overcome its weak point, cement scientists in the world have developed various modified HAC and overcome its weak point, cement scientists in the world have developed various modified HAC series: self-stressing cement, expansive cement, impermeable non-shrinkage cement, rapid hardening high strength aluminates cement. Special rapid hardening setting-controlled aluminates cement and so on. These alumina cements with special properties are used in rush repairs, quick construction antipermeability, leakage stopping , resistance to sulfate attack, winter constructions etc. We can supply some derivative products of alumina cement series according to requirements of special engineerings
Al2O3, %
≥50, 60
R2O, %
Specific surface area, m2/Kg
Setting time
Initial setting time,min
Final setting time,h
Compression strength , MPa
Transverse strength, MPa

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