DolomiteSpecs: MgO: 20% minSiO2: 1.5% min CaO: 30.0% minAl2O3: 0.85% max P: 0.03% maxSize: 10-40mmj, 40-80mm, 10-30mm or as buyer's optionPacking: In bulkApplication: For manufacture of refractory materials, metallurgic flux and as raw materials for glass, ceramic and building industries