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Pingxiang Annareach Technology Co., Ltd.
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AREACH - Model 43*43 cells -Mullite Blocks

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As a heat exchange media / Packing elements ,Mullite Block are superior in better thermal shock resistance , good crack -resistance ,higher AL content and lower coefficient of heat expansion comparing with alumina and dense alumina material, which has been widely used in thermal treatment of RTO equipments among industrial fields. Mullite ceramic material blocks shaped with straight through, square channels are preferred to be used in aggressive media due to the high chemical resistance and thermal stability. it can achieve considerably higher thermal efficiencies than a shell and tube or plate style.
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1. Material : Mullite

2. Sizes : 100*100*100mm,100*150*150mm,150*150*150mm,150*150*300mm

3. Application : RTO for industry , air pollution control equipment.

4. Cells : 43*43

Mullite Block Physical Property
Density ：2.0-2.5G/CM3
water Absorption：15-25%
Coefficient of thermal expansion（20-800℃)≤5x10-6k -1
Specific Heat (20-1000℃)：1000-1150J/Kg.K
Thermal Conductivity (20-1000℃)：1.5-2.0W/m.k
impact thermal resistance≥350℃/Min
Strength （ A axis）≥28MPA
compressive（ B axis）≥8 

AL2O3/ Alumina Oxide：60-70%
SiO2 /Silicon Oxide ：25-35%
MgO：0-1
Fe2O3+TiO2：1-3
Others<5

1. Excellent thermal conductivity .

2. With 65% AL content.

3. Excellent Thermal shock resistance.

4. Low pressure drop.

5. Low maintenance  costs.

6. Higher working temperature up to 1450℃.

7. Heat storage.

8. Lower coefficient heat of expansion.

For the high performance of low water absorption rate makes it highly make it possible to absorb the accumulate and release heat connected one to another at the top of a combustion chamber.