Packaging Details :Wooden pallet, plastic shrink film, paper corner protection and straps protected outside. Pallet size: 95*95cm, 100*100cm or as request.

Product Name :Insulating Fire Bricks

Al2O3 Content :≥48

Bulk Density(g/cm³) :≤1.0

Apparent Porosity (%) :16-18

Compress Strength, Mpa ≥ :≥3.92

Application :Kiln Furnace

Fe2O3 Content :≤2.0

Raw Material :Magnesite

Thermal Conductivity Coefficient w/m.k :≤0.45

Test Temperature of Permanent Linear Change Rate≤2% ℃ :1400

Feature :Small Thermal Conductivity

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Refractory Brick for Fireplaces Al2O3 48% High Alumina Insulating Fire Bricks

Introduction:

The high alumina insulation brick is a kind of insulation material adopting organic matter as ignition loss substance in order to increase the porosity of refractory.

Features:

High alumina bricks has the feature of has advantages with high porosity, small volume density, good insulation effect, high mechanical intensity, small thermal conductivity and long service life.

Application:

High alumina brick is widely used in the cracking furnace, hot stove, furnace, tunnel kiln,etc.

Technical Index:

Item	High Alumina Insulating Brick
Item	LG-1.0	LG-0.9	LG-0.8	LG-0.7	LG-0.6	LG-0.5	LG-0.4
Al₂O₃ %	≥48
Fe₂O₃ %	≤2.0
Bulk Density g/cm³	≤1.0	≤0.9	≤0.8	≤0.7	≤0.6	≤0.5	≤0.4
Cold Crushing Strength Mpa	≥3.92	≥3.43	≥2.94	≥2.45	≥1.96	≥1.47	≥0.78
Thermal Conductivity Coefficient w/m.k	≤0.45	≤0.45	≤0.35	≤0.35	≤0.3	≤0.25	≤0.20
Test Temperature of Permanent Linear Change Rate≤2% ℃	1400	1400	1400	1350	1350	1250	1250

Brick Size or Shapes:

The shape can be customized according to the brick drawings.

Brick Size (mm)

Straight Shape

Side Arch

230*114*65

250*123*65

171*113*65

230*114*20

230*114*30

230*114*40

230*57*65

520*230*113

650*230*113

780*230*113

452*230*65

230*150*75

345*150*75

230*65/55*114
230*65/45*114
230*65/55*171
230*65/45*171
230*114*65/55
230*114*65/45
230*150/120*75
230*150/110*75

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