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Brand Name : Rongsheng
Model Number : LZ55/LZ65/LZ75
Certification : ISO9001
Place of Origin : Zhengzhou ,China
MOQ : 25 TONS
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
Color : white yellow
Materials : bauxite
Size : standard 230*114*65
Insulated Refractory Steel Furnace Bricks And High Alumina Bricks
  
 Description:
  
 high alumina brick
  
  
 Feature:
  
 1. bricks are made from high quality bauxite
 2. dry pressed
 3. burned under tunnel kiln
 4. accurate dimension
 5. high strength
  
  
 Product specification: 
  
 standard form, normal standard, shaped and special shaped bricks.Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the mostly used in the key positions.Molding method: it has down draft kiln and tunnel kiln and the general sintering temperature is 1360-1480 degrees. It is a kind of aluminosilicate refractory product which aluminum oxide (Al2O3) content is higher than 48%.
  
  
 Applications:
  
 1. Steel furnaces
 2. Iron making furnaces
 3. Glass kiln
 4. Ceramic tunnel kiln
 5. Cement kiln
  
  
 Specifications:
 High aluminum refractory bricks physiochemical index
  
| Item | Properties | |||||
| LZ-80 | LZ-75 | LZ-65 | LZ-55 | LZ-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 | 1530 | ≥1520 | ≥1500 | ≥1470 | ≥1420 | |
| Permanent linear change,% | 1500°CX2H | +0.1 | +0.1 | +0.1 | +0.1 | 
 | 
| 1450°CX2H | 
 | 
 | 
 | 
 | +0.1 | |
| Apparent porosity,% | 22 | ≤23 | ≤23 | ≤22 | ≤22 | |
| Cold Crushing strength Mpa | 55 | ≥50 | ≥45 | ≥40 | ≥35 | |
| Application | All industrial furnace | |||||
 
  
 Competitive Advantage:
  

 
  
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