PURIMAG is one of the Marvels traditional advantage product for more than 50 years. It was made primarily of high purity magnesia with various grades and produced under high pressure pressing and high temperature firing. It has excellent resistance to strong basic slag corrosion, basic steam damage, oxidation reduction as well as favorable thermal conductivity. It was widely used as working lining and safety lining of metal smelting furnace, such as open-hearth furnace, electric furnace, convertor, mixed iron furnace in steel and flash furnace, convertor, reverberatory furnace and ore furnace in non-ferrous industry.