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Magnesia zircon bricks for glass furnace

MgO (%)≥78; ZrO₂ (%)≥12.5
Bulk Density (g/cm³) ≥3.10; Apparent Porosity (%) ≤15
Cold Crushing Strength (Mpa) ≥50; 0.2mpa Refractoriness under load T0.6 (℃) ≥1650

Application:

As glass furnace refractories, magnesia zircon bricks can be used as checker bricks for the middle and upper parts of regenerators.

　　Magnesia zircon bricks for glass furnace use high purity fused magnesia, zircon sand, synthetic magnesia-zircon sand as main raw materials, after high pressure forming, high temperature sintering, of which main mineral phases are periclase, magnesia olivine and baddeleyite.

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Index	MZr-82	MZr-78
MgO (%)≥	82	78
ZrO₂ (%)≥	12.5	12.5
Bulk Density (g/cm³) ≥	3.18	3.10
Apparent Porosity (%) ≤	13	15
Cold Crushing Strength (Mpa) ≥	60	50
0.2mpa Refractoriness under load T0.6 (℃) ≥	1700	1650
Thermal shock resistance 950 ℃ water cooling (Times) ≥	20	20

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Magnesia zircon bricks for glass furnace

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