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Magnesia alumina spinel brick for rotary kiln

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Product Description

Magnesia Alumina spinel brick

The brick is made from high purity magnesia sand and fused magnesia as raw materials and added with fused spinel, by highly pressed and fired at high temperature. The brick has features as follow: 1.excellent toughness at high temperature, the spalling damage is not easy to happen during drying kiln and using. 2. Excellent coat formed in burning zone, and normal coat damage does not spall. 3. Excellent strength and thermal shock resistance. 4. excellent anti-erosion and wear resistance performance . The product applies in burning zone. 

 

 

Items

 

ZJMAJ-1

 

ZJMAJ-2

MgO %                                      

86

86

Al2O3                                        ≥

10-12

5-8

Apparent porosity %                            

15

15

Bulk density g/cm3                             ≥

2.98

2.98

Cold crushing strength Mpa                      

80

80

0.2Mpa  R.U.L ℃ T0.6                        ≥

1700

1700

Thermal shock resistance 1100water cooling cycle  

10

12

Application area

Transition zone

All the high temperature zone


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Zhengzhou Kaiyuan Refractories Co.,Ltd

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