Dolomite is a double carbonate mineral of calcium and magnesium, processed to high purity and used primarily in the glass industry.

Limestone is a rock rich in calcium carbonate (CaCO₃), with high purity and controlled particle size, used especially in the glass industry.

Ground silica is derived from quartz, with high purity and controlled particle size, and is used in industries such as ceramics and fiberglass.

Dry quartz sands coated with synthetic resins, mainly used in the foundry and oil and gas industries.

Composed of high-purity quartz, with high thermal resistance, chemical stability and hardness, for high-performance applications.