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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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