hardness 8 5 chrome magnesite bricks

{"cid":"91199495","title":"Chrome Magnesite Bricks With Refractoriness 1700 - 1800\u2103 And Mohs Hardness 8.5","imgUrl":"https:\/\/img.chinax.com\/nimg\/60\/d4\/44a2aa876403211be6806057deb7-200x200-1.jpg","attrs":{"Brand Name":"CH Refractories","Model Number":"CH-N","Place of Origin":"China","Chemical Composition":"MgO-Cr2O3","Bulk Density":"2.7-3.0 G\/cm3","Linear Change":"\u22640.4%","Refractoriness":"1700-1800\u2103","Porosity":"\u226422%","Corrosion Resistance":"Good","Name":"Magnesia Chrome Brick","Cold Crushing Strength":"\u226550 MPa"}}