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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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