High Alumina Insulating Brick

Model:	As requirement
Brand:	Lite
Origin:	Made In China
Category:	Construction & Decoration / Heat Insulation
Label:	insulation brick , light weight brick , high al2o3 fire tile
Price:	US $0.8 / pc
Min. Order:	500 pc

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Product Description

insulating high alumina fire brick

Details of our insulating high alumina fire brick

1.It contains the alumina content more than 45%,

2.Common high alumina insulating brick made by bauxite as raw material,

3.Bulk density is 0.4-1.35g/cm³, the porosity is 66%-73%,

4.Thermal conductivity rate is 0.291-0.582W/(m.k)350℃,

5.Working temperature is 1350~1500℃, the high purity is 1650~1800℃.

Advantages feature of our insulating high alumina fire brick

1. High porosity, low the thermal conductivity,

2. Good thermal shock resistance stability,

3. Excellent heat resistant, good chemical stability,

4.High purity high high alumina insulating brick can contact to flame directly,

5.Good thermal insulation energy-saving effect.

The physical and chemical indicators of our insulating high alumina fire brick

Item	high alumina lightweight insulation refractory brick
Item	0.6	0.7	0.8	0.9	1.0	1.2
Al2O3/%	≥48	≥48	≥48	≥48	≥48	≥48
Fe2O3/%	≤2	≤2	≤2	≤2	≤2	≤2
Bulk Density(g/cm3)	≤0.6	≤0.7	≤0.8	≤0.9	≤1.0	≤1.2
Cold Crushing Strength Mpa	≥2.0	≥2.5	≥2.9	≥3.4	≥3.9	≥5.00
Thermal Conductivity (350°C)W/m.K	≤0.30	≤0.35	≤0.35	≤0.45	≤0.50	≤0.55
Reheating Linear Change less than 2.0% °C	1350	1350	1400	1400	1400	1400

Applications of our insulating high alumina fire brick

1.It is widely used in the lining of various furnaces and thermal-protective coating of furnace,

2.It is used normally in industry furnaces such as blast furnace, hot-blast furnace and etc.

3.It is suitable for electrolytic aluminum Industries, carbon industries, thermal boilers, glass furnace,

4.It can be widely used for insulation layers of various kilns in metallurgical industry, machine building industry, ceramic industry, chemical industry.

Specification of our insulating high alumina fire brick: standard&special shape

Straight

Split

Arch

Wedge

Tile

L×W×H(mm)

230×114×65

230×114×75

L×W×H (mm)

230×114×25

230×114×32