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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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