Castable Cement (LC Castable)

Castable Cement (LC Castable)

Castable Cement (LC Castable) is a low-cement-bonded refractory castable with high strength, high temperature resistance, low porosity, and excellent thermal shock stability. It is easy to install, can be cast to size according to site requirements, and is suitable for refractory linings of various high-temperature industrial equipment.

  Description

Castable Cement (LC Castable) is a type of high-grade refractory castable with a low-cement system. By optimizing the formula to reduce CaO content, the material forms a denser and stronger skeletal structure after high-temperature firing. Its characteristics include: higher compressive strength, excellent abrasion resistance, low porosity, outstanding thermal shock resistance, and better slag resistance and erosion resistance.

This material can be applied using vibration molding or self-flowing methods, exhibiting good workability and plasticity. After heating and drying, it forms a high-strength refractory layer, suitable for high-temperature industrial environments with high requirements for refractory performance and service life. LC castables are widely used in industries such as steel, building materials, non-ferrous metals, chemicals, and power, and are the preferred refractory solution to replace traditional high-cement castables and refractory bricks.

  Technical Data:

Item

Specification

 

Clay

High Alumina

Corundum

Al2O3  %

≥45

≥75

≥98

CaO  %

<1.8

<1.5

<1.0

Bulk Density, g/cm3

110℃×24h

≥2.3

≥2.6

≥3.1

 

1350℃×3h

≥2.26

≥2.61

/

 

1550℃×3h

/

/

≥3.00

CCS, MPa

110℃×24h

≥70

≥75

≥85

 

1350℃×3h

≥85

≥90

/

 

1550℃×3h

/

/

≥100

CMOR, MPa

110℃×24h

≥6

≥8

≥9

 

1350℃×3h

≥8

≥9

/

 

1550℃×3h

/

/

≥11

PLC, %

1000℃×3h

-0.3

-0.2

-0.2

 

1350℃×3h

±0.3

±0.5

/

 

1550℃×3h

/

/

±0.5

Max Working Temperature, ℃

1450

1600

1800

  Application:

Castable Cement (LC Castable) is primarily used in the following high-temperature equipment and industrial applications:

Steel Industry: Converter cladding, ladles, molten iron ladles, chutes, hot blast stove components

Cement Industry: Preheaters, decomposers, rotary kiln transition zones, coolers

Non-ferrous Metals Industry: Aluminum furnaces, remelting furnaces, reverberatory furnaces, holding furnaces

Chemical and Petrochemical Industry: Cracking furnaces, heating furnaces, reactor linings

Power Industry: Boiler combustion chambers, grates, flue gas linings

Industrial Kilns: Heat treatment furnaces, forging furnaces, combustion chambers, industrial heating equipment linings

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