High alumina insulating brick is a heat-insulating refractory with good porosity made by burning organic matters. It has the advantages of high porosity, low volume density, good heat insulation, high compression strength, low thermal conductivity and long life. It is the indispensable material to build a variety of industrial furnaces.

Item	LG-1.2L	LG-1.0L	LG-0.8L	LG-0.7L	LG-0.6L	LG-0.5L
Al2O3%≥	48
Fe2O3≥	2.0
Bulk Density g/cm3≤	1.2	1.0	0.8	0.7	0.6	0.5
Cold Crushing Strength ≥	4.5	4.0	3.0	2.5	2.0	1.5
PLC Temp. Less than 2%,.C	1400			1350		1250
Thermal Conductivity W/m.k 350.C+25	0.55	0.50	0.35	0.3	0.25	0.20

Zibo SK Refractory Co., Ltd

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Main Products:Fire clay brick, high alumina brick, insulating brick, ceramic fiber, fire clay mortars, insulating mortars

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