The quality of coatings and the cost directly impact the castings' quality and the economic benefits of the product. Choosing a relatively reasonable formulation method yields very ideal results.

Magnesium olivine powder, as a coating material, boasts excellent thixotropy, suitable yield value, high suspension rate, easy application, high coating strength, resistance to cracking under high-temperature thermal expansion, strong resistance to sand adhesion, smooth casting surface, and the ability to self-peel off upon sintering into a shell.

3. Adding 30% of magnesium olivine powder to magnesia coating greatly improves its performance compared to using magnesia powder alone.