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Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd
High Quality Industrial Refractory Material Manufacturer And Supplier
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High Alumina Refractory Brick for Steel Furnace With 48-80% Al2O3 Refractory Fire Bricks For Sale

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High Alumina Refractory Brick for Steel Furnace With 48-80% Al2O3 Refractory Fire Bricks For Sale

Brand Name : Rongsheng Xinwei

Model Number : RS-48, RS-55, RS-65, RS-75, RS-80

Certification : ISO9001

Place of Origin : Zhengzhou ,China

MOQ : 1 Ton

Price : 200-800USD

Payment Terms : TT; L/C

Supply Ability : 2000tons /month

Delivery Time : 20-30DAYS

Packaging Details : packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages

Application Temperature : 1400-1600℃

Bulk Density : ≥2.2g/cm3

Cold Crushing Strength : ≥50Mpa

Color : Red

Compressive Strength : 100-120Mpa

Density : 2.2-2.4g/cm3

Linear Change Rate : ≤0.2%

Material : High Alumina Refractory Brick

Moisture Content : ≤1.5%

Porosity : ≤22%

Refractoriness : 1700-1790℃

Shape : Rectangle

Size : Customized

Thermal Conductivity : 0.3-0.6W/m.k

Thermal Expansion : 0.6-1.2%

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Brief Introduction of High Alumina Refractory Brick for Steel Furnace With 48-80% Al2O3 Refractory Fire Bricks For Sale

High alumina brick is a kind of alumina-silicate refractory material with content of alumina oxide more than 48%. It is calcined and formed by the raw material of banxite or the material with high content of AL2O3. High thermal stability, the refractoriness is more than 1770℃. Good slag resistance, used for the liner of masonry steel-making electric stove, glass furnace and cement revolver.

Features of High Alumina Refractory Brick for Steel Furnace With 48-80% Al2O3
1. High refractoriness.
2. Good spalling resistance and wear resistance.
3. Good corrosion resistance.
4. Good thermal shock resistance.
5. High mechanical strength.
6. High-temperature creep rate is low.
7. Good volume stability at high temperature.
Application of Steel Furnace 48-80% Al2O3 Refractory Fire Bricks For Sale
steel furnace, glass furnace, sodium silicate furnace, ceramic shuttle kiln, cement rotary kiln, blast furnace, electric furnace,
blast furnace and reverberatory furnace.
Product Parameter of High alumina bricks
Item
Properties
RS-80
RS-75
RS-65
RS-55
RS-48
Al2O3 (%)
80
≥75
≥65
≥55
≥48
Refractoriness (°C )
≥1790
≥1790
≥1790
≥1770
≥1750
Bulk density (g/cm3)
2.65
2.5
2.45
2.4
2.3
Softening temperature under load (°C )
1530
≥1520
≥1500
≥1470
≥1420
Linear changes on reheating (%)
1500°CX2H
0.1
0.1
0.1
0.1
-0.4
-0.4
-0.4
-0.4
1450°CX2H
0.1
-0.4
Apparent porosity (%)
22
≤23
≤23
≤22
≤22
Cold crushing strength (Mpa)
55
≥50
≥45
≥40
≥35

High Alumina Refractory Brick for Steel Furnace With 48-80% Al2O3 Refractory Fire Bricks For Sale Manufactures

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