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  • Product Name: Andalusite refractory bricks ...
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Andalusite refractory bricks  for cement kilns

Andalusite refractory bricks mainly designed for rotary kiln of cement industry. It's made of high purity bauxite and SiC as raw materials, shaped by calcinating. 

 

Application: mainly used for the transitional zone & calcining zone of cment rotary kilns, and coolers.

 

Advantages:

1. high strength and strong wear resistance.

2. high tempreture resistance

3. good thermal shock resistance.

4. good anti-slag and anti-erosion ability.

 

Performance parameters:

 

 

Item LHZ-150 LHZ-145 LHZ-140
Al2O3,%, ≥
Fe2O3,%, ≤ 1 1 1.3
Refractoriness℃ 1810 1810 1790
Apparent porosity %,AP ≤ 19(21) 19(21) 19(21)
Density g/cm3,BD ≥ 2.6 2.5 2.5
Crushing strength MPa, CCS  ≥ 65(55) 65(55) 70(60)
0.2MPaLoad softening temperature ℃ RUL ≥ 1650 1650 1630
Rebirth line change rate (1500℃×2h),% 0~+0.5 0~+0.5 0~+0.5
Thermal shock stability ≥ 30 25 25
Creep rate %,   ≤ 0.8 0.8 0.8
(1500℃×50h) (1450℃×50h) (1400℃×50h)

 

 

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