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Description

Description of Andalusite Brick:


With low impurity content, strength at high temperature of andalusite brick  decreases very little. It not only has the characteristics of resistance to rapid cold and heat, high mechanical strength, strong thermal shock resistance, strong slag resistance, high refractoriness under load, but also has extremely high chemical stability and strong resistance to chemical corrosion.

Technique Data

Technique Data of Andalusite Brick:

Item

Specification


RH155

RH150

RH145

RH140

RH135

Al2O3  %

69

65

61

57

53

Fe2O3  %

1.0

1.0

1.2

1.2

1.5

TiO2  %

0.5

0.5

0.5

0.6

0.6

Apparent Porosity, %

20

20

20

20

20

Bulk Density, g/cm3

2.55~2.70

2.50~2.65

2.45~2.60

2.40~2.55

2.35~2.50

CCS, MPa

55

55

50

50

40

0.2MPa RUL 

1700

1700

1650

1600

1520

PLC, %

1500×2h

±0.2

1500×2h

±0.2

1500×2h

±0.2

1450×2h

±0.2

1450×2h

±0.2

Creep Rate, % 0.2MPa 0~50h

0.8 1550

0.8

1500

0.8

1450

0.8

1400

0.8

1350


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