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Magnesia zirconia bricks for cement kiln

MgO (%):93～96.2;　ZrO₂(%):1.4～3
Cold Crushing Strength (MPa):70～80
Refractoriness under load (℃):1680～1700

Application:

As chrome-free basic bricks for cement rotary kiln, magnesia zirconia bricks are mainly used for burning zone and transition zone, can effectively eliminate chrome-pollution and prevent environmental pollution.

　　Magnesia zirconia bricks for cement kiln use high-purity magnesia and zirconite and others as raw materials, being high pressure pressed and sintered in high temperature.

　　As chrome-free basic bricks for cement rotary kiln, magnesia zirconia bricks can effectively eliminate chrome-pollution and prevent environmental pollution.

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Item	Magnesia zirconia bricks
Item	ZrO₂(1.8%)	ZrO₂(3%)	ZrO₂(1.4%)
MgO (%)	95	93	96.2
ZrO₂ (%)	1.8	3	1.4
CaO (%)	1.4	1.2	0.9
SiO₂ (%)		0.9	0.8
Al₂O₃ (%)		0.4	0.3
Fe₂O₃ (%)		0.7	0.6
Bulk density (g/cm³)	2.96	2.98	3.11
Apparent Porosity (%)	15	15	13
Cold Crushing Strength (MPa)	80	70	80
Refractoriness under load (℃)	1700	1680	1700

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