Magnesia spinel brick

Classification:

Cement

Product Introduction

Magnesia spinel brick is periclase and spinel with high-grade basic refractory materials are the main minerals,by high pressure molding,high temperaturesintering.

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Product Details

Magnesia spinel brick is periclase and spinel with high-grade basic refractory materials are the main minerals,by high pressure molding,high temperaturesintering,also add specific mineralization agent products crystal phase particles between direct combination.Has the characteristics of high strength,goodthermal shock stability,strong resistance to chemical attack.Mainly used for cement rotary kiln under transition zone and high temperature resistancecolleagues thermal shock thermal furnace equipment.

Brand Item	Magnesia spinel brick
Brand Item	RT-MAFe-82A	RT-MAFe-82B
MgO(%)≥	82	82
Al₂O₃(%)≥	8-12	8-12
Fe₂O₃ (%)	1.5-3.0	1.5-3.0
SiO₂(%)≤	1.5	1.5
(%)≤ Apparent Porosity	17	18
(g/cm³)≥ Bulk Density	2.95	2.90
(MPa)≥ Cold Crushing Strength	65	60
(T0.6 ℃) ≥ Refractoriness Under Load	1700	1700
≥ Thermal Shock Resistance (950℃ air quenching,cycle)	100	100
(1400℃)% Thermal expansion coefficient	1.4	1.3