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Magnesia bricks

MgO (%)≥92～98; CaO (%)≤2.0～1.2; SiO₂ (%)≤1.2～0.6
Cold Crushing Strength(Mpa)≥60～80
0.2mpa Refractoriness under load T0.6(℃)≥1530～1700

Application:

Magnesia bricks are widely used steel making refractories. Because of high temperature resistant and good slag resistance, magnesia bricks generally used as permanent linings.

　　Magnesia refractory bricks use sintered magnesite or fused magnesia as main raw materials, being high pressure pressed and sintered in high temperature.

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Index	MG-92	MG-95	MG-97	MG-98
MgO (%)≥	92	95	97	98
CaO (%)≤	2.00	1.70	1.30	1.20
SiO₂ (%) ≤	1.20	1.00	0.70	0.60
Fe₂O₃(%) ≤	1.20	1.00	0.80	0.50
Bulk Density(g/cm³)≥	2.90	2.95	2.95	3.00
Apparent Porosity(%) ≤	16	16	16	15
Cold Crushing Strength (Mpa) ≥	60	70	70	80
0.2mpa Refractoriness under load T0.6 (℃) ≥	1530	1650	1700	1700

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