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Silica mullite refractory brick for rotary cement kiln

        
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Anti spalling high alumina brick

Anti-spalling high alumina brick is a new type of high alumina material specially created in China and dedicated to cement kiln lining. It has reached the international advanced level and can replace all refractory materials of cement kiln except the large-scale NSP cement kiln firing zone.

Other name: Anti-spalling high alumina brick

Model Number: HCR-AS70,HCR-AS75

Certification: ISO9001-14001

Minimum Order Quantity: 5 MT

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Anti-spalling high alumina brick

Introduction:

Anti-spalling high alumina brick is a new type of high alumina material specially created in China and dedicated to cement kiln lining. It has reached the international advanced level and can replace all refractory materials of cement kiln except the large-scale NSP cement kiln firing zone. The mainly mineralogical composition is mullite, corundum and glass phase.

Advantages:

1. Excellent thermal shock stability

2. High refractoriness under load

3. Resistance to alkali and clinker erosion

4. Anti-spalling and anti-skinning

5. Low thermal conductivity and long service life

Application:

1. Rear and side walls of the grate cooler

2. Transition zone and vicinity

3. Decomposition zone

4. Kiln door cover and kiln entrance

5. Cooling zone


Anti-spalling high alumina brick phycial and chemical

ItemHCR-AS70                                 (anti-spalling)HCR-AS75                                  (anti-spalling)
Al2O3  min%7078
ZrO %6-7-
Fe2O3 % ≤22.3
Bulk Density g/cm³2.52.5
Cold Crushing Strength Mpa ≥5065
Refractoriness under load of 0.2Mpa(℃)14701490
Refractoriness (℃) min17901790
Apparent porosity MAX %--
Linear change on reburning %   +0.2                                  -0.3-0.3
Thermal shock stability >3025




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