| Refractory Products|Refractory raw materials|
|General Refractory Products|Fire clay and high alumna brick for hot-blast stoves|Coke oven refractory bricks|Refractory bricks for blast furnace|Refractory for pretreatment of hot metal|High alumni bricks for electric arc furnace roofs|Refractory Bricks for circling furnace and refining furnace|Ladle|Con-casting refractory products|Refractory for teeming|Monolithic refractory& Others
 
Refractory for pretreatment of hot metal

　　　　　　　Brand
Item		 Dense fire-clay bricks Dense fire-clay bricks AL2O3-SIC-C
bricks 		AL2O3-SIC-C
mortar
AL2O3% ≧40 ≧42 ≧53 ≧50
Fe2O3% ≦2.0 ≦1.6 Sic≧11.5 Sic≧15
Refractoriness ℃ ≧1730 ≧1750 C≧11.5

Adhensive modulus of rupture

(110℃×24h)≧0.8mpa

 

Bulk density g/m3

 ≧2.30   ≧2.70
Apparent porosity % ≦15 ≦15 ≦13
Cold crushing strength Mpa ≧49.0 ≧58.8 ≧40
Refractoriness under load ℃ T2≧1500 KD≧1450  
Permanent linear change on reheating %   0-0.2  
Spalling resistance time ≧10
No spalling		    
Application Permanent lining and working lining of torpedo Torpedo permanent lining Torpedo working lining  
©2000 ShanDong province refractory raw materials corporation. All rights reserved.
©Web Hosting and Web Designed by MEETCHINA.COM