Kyanite and Sillimanite are premium-grade refractory minerals known for their exceptional thermal stability, high resistance to deformation, and low thermal expansion. These minerals transform into mullite at high temperatures, providing excellent strength and durability in extreme environments. Key properties include high melting points and low thermal expansion, making them ideal for applications in high-temperature industries. They also offer excellent resistance to chemical corrosion and thermal shock, enhancing the performance of refractories, ceramics, and foundry molds. Kyanite and Sillimanite are essential for industries requiring reliable, high-strength materials that perform well under intense heat and pressure.

At Naretra, we specialize in offering standard and customized sizes and grades to meet your needs. Contact us to request your specific size.