Magnesia is bending, compression, high strength, gas hard, cementitious material, widely used in national defense, pharmaceutical, chemical, paper and shipbuilding industries. In the building materials industry to making tires son, particle board, insulation pillars, railings, artificial marble, asbestos, common tile, wallboard, laying the ground. As technology advances, more extensive use of magnesium oxide. Magnesia is making firecrackers firecrackers special materials.