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High alumina brick (Al2O3% content 55~80)

 Advantage:

1. well performance on Thermal shock resistance,

2. Slag resistance, and corrosion resistance

3. with superior cold crushing strength

Application: widely used in various of kiln linings.

Refractoriness: 1770~1790℃

High density Alumina Bricks for Hot-blast Furnace
Specification 
(Physical & Chemical Analysis)
Low -duty
Medium-duty
High-duty
Super-duty
Al2O3,     (% )  ≥
55
65~70
75
80
Fe2O3,        (% ) ≤
2.0
2.0
2.0
2.0
Bulk Density, (g/cm3)
2.2
2.35~2.5
2.6~2.65
2.7~2.8
Apprent Porosity, (%)  ≤
22
22
20
20
Cold Crushing Strength Mpa
45
50
58.8
59
0.2Mpa Refractoriness under load at 1400℃
1450
1480
1500
1550
Service Tempreture (℃)
1350
1400
1480
1500
Refractoriness (℃)
1750
1780
1790
1850
 

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Email :   sales@sijihuo.com   

Address: Nanhuan Central Road, Xinmi City, Henan Province, China.

Fax : +86 371 6977 7737
 
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