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      Product name

      Silica Brick

      Product description

      Product profile:Silica Brick

      SILICA BRICKS

       

      Goods Brand

      GZ-96

      GZ-95

      GZ-94

       

      SiO2(%) min

      96

      95

      94

       

      Fe2O3(%) max

      1.0

      1.2

      1.4

       

      Refractriness under load 0.2 Mpa( ) min

      1660

      1650

      1640

       

      Apparent porosity (%) max

      22(24)

      22(24)

      22(24)

       

      Cold Crushing strength (MPa)min

      less 20kgs/pc

      35(30)

      35(30)

      35(30)

       

      more 20kgs/pc

      30(25)

      30(25)

      30(25)

       

      True density (g/cm3) max

      2.34

      2.34

      2.34

       
       

      Note: the data in ( ) are the specs for the manually-shaped bricks.

       

      Refractory brick with SiO2 over 93%, is called silica brick. The product is acid refractory material. It has strong points on resistance to acid slag, high temperature strength. Silica brick is used in coke oven, soaking pit, glass kiln,etc. It is always used in thermal support parts of hot blast furnace.

       
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