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Magnesia Hercynite Refractory Brick Kymt-80


The brick is made from iron-magnesia spinel raw materials added with special toughness agent, 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. With stable dimension, can meet the requirement of installation in project. The product applies in burning zone.


MgO %                                      ≥808080
Fe2O3 %     6-86-86-8
Al2O3  1-31-31-3
SiO2 %                                       ≤
Apparent porosity %                   ≤171819
Bulk density g/cm3   2.95-3.102.95-3.052.90-3.0
Cold crushing strength Mpa             ≥605050
0.2Mpa R.U.L ºC T0.6            ≥170016501600
Thermal shock resistance 950ºC air cycle  ≥806060

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