Rare Earth Minerals - Disthene-Sillimanite Concentrate

Disthene-Sillimanite Concentrate is a high-alumina refractory mineral concentrate containing a mix of Disthene (Kyanite) and Sillimanite, both aluminosilicate minerals (Al₂SiO₅). These minerals are valued for their exceptional heat resistance, low thermal expansion, and high strength, making them essential for refractory, foundry, and ceramics applications. 

This concentrate appears as bluish-gray to light brown coarse sand and undergoes calcination to transform into mullite, a key material in high-performance refractories. 

✔️ High alumina content, ensuring superior thermal and chemical stability.
✔️ Low thermal expansion, reducing the risk of cracking in high-temperature applications.
✔️ Excellent wear resistance, making it ideal for refractories and industrial uses.
✔️ Versatile applications, covering metallurgy, ceramics, glass, and foundry industries.

• Used in the production of firebricks, castables, and refractory mortars for high-temperature environments.
• Essential for kiln linings, furnaces, and steel ladles in the metallurgical and glass industries.
• Converts into mullite upon heating, enhancing thermal stability and wear resistance.

• Applied in mold coatings and casting molds for precision metal casting.
• Improves thermal shock resistance and reduces cracking in investment casting.

• Used in high-strength ceramics, tiles, and sanitary ware for added durability.
• Enhances glass manufacturing by increasing thermal shock resistance.
• Improves electrical insulators and heat-resistant components in industrial applications.

• Ground into abrasive grains for sandblasting and grinding applications.
• Used in high-wear-resistant components, such as grinding wheels and cutting tools.