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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.

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Brand

 

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