magnesia brick

Description Package Information Inquiry

High refractoriness above 2000°C;

Excellent alkaline slag erosion resistance;

Volume stability at high temperature;

Excellent anti-oxidation;

Hugh Refractoriness under load about 1500-1550°C;

High initial load softening temperature;

Poor thermal shock resistance;

Good thermal conductivity.

Index/Item	RS-MZ-91	RS-MZ-93	RS-MZ-95	RS-MZ-97
MgO% ≥	91	93	95	97
SiO2% ≤	–	3.5	2.0	1.0
CaO% ≤	3.0	2.0	2.0	–
Cold Crushing Strength /MPa≥	60	60	60	60
Apparent Porosity /%≤	18	18	16	16
0.2 MPa Refractoriness Under Load / ≥	1560	1620	1650	1700
Reheating Linear Change (1650℃*2h)/%	0~-0.4	0~-0.4	0~-0.3	0~-0.2

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