Listing Description :

Fireclay bricks for general use
Runner bricks,Stopper,Nozzle
Sleeve and seating block
Dense fireclay bricks.

                                                                  Y-FB       GFB40        GFB42       GFB45 

Al₂O₃(%)min.                                                  40           40            42            45    

  Fe₂O₃(%)max.                                               2.5

  Refractoriness()min.                                     1710         1730          1750          1750        

  Refractoriness under load 0.2MPa()min.         1300         1350          1400          1400        

  Apparent porosity(%)max.                                22           20            20            20          

  Cold crushing strength (MPa)min.                     30           30            35            40        

Linear change after reheating(%)max.         

                     At 1350×2h                               +0.1

                                                                       -0.4

                    At1400X3h                                             +0.1        +0.1           +0.2                                        

                                                                                - 0.5           -0.4           -0.2