Product description: 1.Material: magnesium oxide 2.Featrue:, high thermal shock resistance Packaging & shipping: 1.Packaging details: cartons with pallet 2.Delivery time: within 20 days Usage: Used for smelting and assaying , excluding gold and silver elements, more accurate test results, high temperature resistance and resistance to thermal shock ., Specific techincal data Production method:dry pressing Typical chemical analysis Mgo, 98.5% Al2o3, 1.2% Working temperature1300, ??-1350, ?? Specific gravity:2.35 Porosity:12%-15% Lead absorption91%
