65% High Alumina Refractory Brick Light Yellow Neat Appearance High Softening Point
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                        Parameters
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                          Comments
| Material: | High Alumian Bauxite | Size: | 230*114*65 Mm | 
|---|---|---|---|
| Certificate: | ISO9001 CE | Al2O3: | 65% | 
| Color: | Light Yellow | 
65% High Alumina Refractory Brick Light Yellow Neat Appearance
| Al2O3 (%) 
 | ≥60 | ≥70 | ≥75 | 78-80 | 
| SIO2 (%) 
 | 32 | 22 | 20 | ≥18 | 
| Fe2O3 (%) 
 | ≤1.7 | ≤2.0 | ≤1.8 | ≤1.8 | 
| Na2O+K2O(%) 
 | <2.3 | <2.0 | <1.2 | |
| Refractoriness 
 | 1790 | >1770 | >1790 | ≥1790 | 
| refractoriness under load 0.2mpa(°C) 
 | 1450 | >1510 | >1520 | ≥1520 | 
| Porosity (%) 
 | 22 | <22 | <21 | 20 | 
| Bulk density(g/cm3) 
 | 2.33 | 2.43-2.48 | 2.45-2.55 | 2.55 | 
| Cold Cushing strength (Mpa) 
 | ≥45 | ≥50 | ≥54 | ≥60 | 
| Thermal expansion at 1000°C (%) 
 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | 
| Reheating shrinking change(%) 1500°CX24h 
 | -0.3 | -0.3 | -0.3 | -0.3 | 
Features:
Resistance to High temperature, Resistance to erosion, resistance to abrasion;
Excellent compression strength;
Resistance to acid and alkali;
Excellent heat stability.
Application
The high alumina bricks are widely applied to industrial furnace, glass furnace, chemical industrial furnace, utility industry furnace lining, smelting furnace, and heat insulation ventilation wall.


 
			

