Top Quality Fire Resistant Insulation Refractory Fire Clay Brick SK32 SK34

Fire clay bricks/ Firebick is kind of high temperature materials which used in lining furnaces, kilns, fireboxes, and fireplaces. 

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Laurel produce a comprehensive range of fire clay brick consisting of 30-65% alumina , all of which exhibit excellent strength. 

For more arduous environments we offer a hand fired “super duty” Fire clay brick with a very high mechanical strength.

Typically our firebrick range is based upon flint clay giving it both a low iron and low alkali characteristic. 


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Item

SK-32

SK-34

SK-36

SK-37

AL2O3 %   (min)

35-38%

38-42%

50-55%

60-65%

Fe2O3%   (max)

3

2.8

2.5

2.3

Refractoriness

≥1690°C

≥1710°C

≥1750°C

≥1770°C

Refractoriness under load, 0.2MPa, (°C)

≥1350

≥1350

≥1430

≥1450

Apparent porosity (%)

20-24

19-23

18-22

18-22

Bulk density (g/cm³)

2.05-2.1

2.1-2.15

2.15-2.25

2.25-2.35

Cold crushing strength (MPa)

≥30

≥35

≥45

≥50

Thermal expansion at 1000°C (%)

≤0.55

≤0.55

≤0.4

≤0.4


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1.High mechanical strength
2.Good thermal shock resistance
3.Good resistance to abrasion and corrosion
4.Good volume stability at high temperature


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