Refractory Bricks
Combined High Alumina Bricks for Refractory

Combined High Alumina Bricks for Refractory

Product Description

Features: Strong volume stability at high temperatures, good thermal shock resistant, wear resistance and chemical attack resistance.

Applications: Transitional zone, reheater of cement rotary kiln and other thermotechnical equipment that requires good thermal shock resistance.

Physical andChemical Indicators:

Items

Index

LZ-75

LZ-65

LZ-55

LZ-48

Al2O3  %,

75

65

55

48

Cold Crushing Strength,  MPa  ≥

54

49

44

40

Apparent Porosity,  %   ≤

23

23

22

22

Refractoriness Under Load, °C ≥

1520

1500

1470

1420

Linear Change on Rehearting, [1500°C×2h]%

+0.1-0.4

+0.1-0.4

+0.1-0.4

[1500°C×2h] +0.1-0.4

Refractoriness, °C ≥

1790

1790

1770

1750

 


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