They are produced as a result of burning magnesite at high temperatures from 1700 ° C and above.
Brands: PPE-88, PPE-87, PPTI-92, PPM-85, PPK-85, PPK-88,
SPH (periclase-chromite mixture)
They are used for the construction of the hearth and walls of steel-smelting furnaces, for the manufacture and repair of hearths of electric steel-smelting furnaces intended for heating metal ingots and large-sized workpieces, for steelmaking stock cups, for the manufacture of stuffed crucibles of induction furnaces, etc.
Packing — the soft container (big-bag) with a net weight of 1000 kg.
Periclase obtained artificially during firing before sintering at a temperature of 1600-1650 ° C or by electric smelting from natural magnesite is an important component of magnesite and dolomite refractories