What are quartz countertops made of?

If you are asking, “What are quartz countertops made of,” the answer for most manufacturers is a combination of components:

  • 90 percent ground quartz
  • 8 to 10 percent resins, pigments, and polymers

Alleanza Quartz, specifically, is made of up to 93% mined high-grade quartz crystals combined with color pigments and resins to create distinct designs. Crushed natural stone makes up the majority, and then it is engineered into a slab. A special process to form an engineered material creates a quartz countertop. It contains crystalline silicon dioxide in high volumes. This mineral is very abundant on Earth. It’s extremely durable and hard. It is very hard to scratch material with a high quartz content. During the mining of silicon dioxide to make quartz, the manufacturer will aim for a 90 percent+ mineral content.

Then the process adds advanced resins derived from polymers as binders. Between 8 and 10 percent of the content of a quartz slab contains polymers, resins, and pigments. The pigments add color to the quartz. These allow manufacturers to achieve different effects and shades.

Manufacturers make slabs of quartz by pouring the blended ingredients into a mold. Then, they will apply heat, compaction, vibration, and a vacuum. The final result is a hard, granite-like surface. Its appearance will depend on the way the process has ground the quartz. It can either be coarse or fine. Coarsely ground quartz produces a slab with a flecked look. Meanwhile, finely ground quartz will produce a slab with a smooth appearance.