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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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