HIGH ALUMINIUM BRICK with High Quality

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Product Description:

CMAX high alumina firebricks are classified according to alumina content ranging from 48% to 90%.

Specifications

1. High temperature
3. with economical prices
4. Various models and size
5.acid and alkaline resistant

Specifications

1.Apparent porosity max 24%
2.Bulk density min 2.30 g/cm3
3.CCS min 40MPa
4.0.2Mpa (RUL)min 1400
5.Fe2O3 max 1.8 %

Index

LZ-75

LZ-65

LZ-55

LZ-48

LZ-80

LZ-85

Refractoriness SK

38

37

37

36

39

40

Refractoriness under load 0.2Mpa °C

≥1520

≥1500

≥1470

≥1420

≥1530

≥1550

permanent linear change %

1500°Cx2h

+0.1~-0.4

+0.1~-0.4

+0.1~-0.4

+0.1~-0.4

+0.1~-0.4

1450°Cx2h

+0.1~-0.4

Apparent porosity %

≤23

≤23

≤23

≤22

≤23

≤23

Cold crushing strength Mpa

≥53.9

≥49.0

≥44.1

≥39.2

≥55

≥55

Chemical composition

Al2O3 %

≥75

≥65

≥55

≥48

≥80

≥85

Fe2O3 %


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