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Magnesia bricks for copper refining reverberatory furnace

MgO (%)≥92; SiO₂ (%) ≤1.20; CaO (%)≤2; Fe₂O₃ (%)≤1.2
Bulk Density(g/cm³)≥2.90; Apparent Porosity(%)≤15
0.2mpa Refractoriness under load T0.6 (℃)≥1530

Application:

As the refractories for copper refining reverberatory furnace, magnesia bricks can be used as linings for furnace roof, wall and bottom.

　　Magnesia bricks for copper refining reverberatory furnace 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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Magnesia bricks for copper refining reverberatory furnace

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