Mullite brick

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Mullite Products

Intex	mullite brick			corudun-mullite brick			mullite cordierite brick	mullite-sillimanite brick	Zircon-mullite brick
	MZ-65	MZ-70	MZ-75	GMS-80	GMS-85	GMS-90	mullite cordierite brick	mullite-sillimanite brick	Zircon-mullite brick
Al₂O₃%	≥65	≥70	≥75	≥80	≥85	≥90	≥40	≥70	≥55
Fe₂O₃%			≤1.2	≤1.0	≤1.0	≤1.0			ZrO₂≥10
Refractoriness ℃	≥1790	≥1790	≥1790	≥1790	≥1790	≥1790		≥1790
Bulk density g/cm³	≥2.40	≥2.55	≥2.60	≥2.65	≥2.75	≥2.85			≥2.8
Apparent Porosity %	≤23	≤23	≤23	≤24	≤24	≤24	≤28	≤20	≤18
Cold crushing strength MPa	≥50	≥55	≥60	≥60	≥60	≥65	≥35	≥60	≥50
Refractoriness under load T2 ℃	≥1650	≥1700	≥1700	≥1700	≥1700	≥1700		≥1650	≥1600
Permanent linear change (1500℃×3h) %								±0.1	0^~+2
Thermal shock ResistanceTimes (water cooling)							≥20		20
Applciation	every kind of furnace`s liner,arch roof,combustor,bottom,glass melting kiln,furniture etc.

Insulation mullite brick

Index	MJ-1400			MJ-1500
Index	0.6	0.8	1.0	0.6	0.8	1.0
Al₂O₃%	≥50	≥50	≥50	≥68	≥68	≥68
Fe₂O₃ %	≤1.0	≤1.0	≤1.0	≤0.8	≤0.8	≤0.8
Bulk density g/cm³	≤0.6	≤0.8	≤1.0	≤0.6	≤0.8	≤1.0
Cold crushing strength Mpa	≥1.96	≥3.92	≥7.84	≥1.96	≥3.92	≥7.87
Refractoriness ℃	≥1750	≥1750	≥1750	≥1790	≥1790	≥1790
Thermal conductivity(350±25℃) W/m·k	0.26	0.35	0.45	0.27	0.35	0.5

Production list

$refractory$ 　

　

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