Magnesium oxide ceramic crucible 1.Made of magnesium oxide 2.Used for metal casting or ceramic sample preparation, etc. Magnesium oxide ceramic crucible (1) Material: MgO 90;MgO ... , and building material industry etc.(3) Application:Fireproof material, refractory, magnesium oxide bricks, MgO board, abrasive, fertilizer, water retention material, feed additive ...