Maximise quality and durability of your building products

Ground calcium carbonate is the key to an effective production in the construction industry
Whether in concrete, mortar, plasters, paints or plastics - building material manufacturers rely on Cemix calcium carbonate because its efficiency, quality and sustainability offer long-term benefits for the modern construction industry.
What is calcium carbonate?

Calcium carbonate (CaCO3) is a natural mineral raw material that is mainly extracted from limestone, chalk and marble. It offers a cost-effective solution for improving material properties and helps to make building products more environmentally friendly and durable.

GCC improves material properties and reduces costs
  1. Cement and concrete: calcium carbonate is used as a filler in cement and concrete production. It reduces the need for more expensive cement clinker and at the same time improves the workability of the concrete. It also acts as a buffer that minimises the tendency of concrete to shrink, which increases the durability of structures.
  2. Mortar and plaster: Calcium carbonate is used as a filler in mortar and plaster to improve consistency and facilitate processing. It ensures a uniform structure and reduces cracking. It also increases resistance to moisture and weathering.
  3. Soil stabilisers: In road construction projects, calcium carbonate is used to stabilise soils. It improves the strength and load-bearing capacity of the soil and reduces erosion. This leads to a longer service life of roads and foundations.
  4. Colours and coatings: As a white pigment and filler, calcium carbonate increases the opacity and abrasion resistance of paints. At the same time, it reduces costs by replacing more expensive pigments such as titanium dioxide.
  5. Plastics and composite materials: In the production of PVC pipes or window frames, calcium carbonate serves as a filler that improves mechanical properties and reduces material costs. It contributes to the stability and weather resistance of the end products.
  6. Ground calcium carbonate (GCC) plays a decisive role in the formulation of adhesives and sealants. In adhesives, GCC improves the rheology by optimising the flow and processing properties. This makes the adhesive easier to apply and spread, which ensures uniform adhesion. GCC also increases opacity, which is particularly beneficial for white or coloured adhesives as it ensures uniform colour coverage. In sealants, GCC is used to control viscosity and increase density, resulting in an improved seal and longer shelf life. The high whiteness of GCC also contributes to aesthetic quality, especially in applications where appearance is important.

Advantages of calcium carbonate in the construction industry

  • Cost reduction: By using calcium carbonate as a filler, production costs can be significantly reduced as more expensive raw materials can be partially or completely replaced.
  • Improved material properties: Calcium carbonate improves the physical properties of building products such as concrete, mortar and plastics, resulting in greater strength, durability and resistance to weathering.
  • Environmentally friendly: Calcium carbonate is a natural and non-toxic material that enables environmentally friendly building products. It helps to reduce the carbon footprint, especially in cement and concrete production, by reducing the need for energy-intensive cement clinker.
Reliable delivery is our priority

The construction of major projects, especially transport infrastructure, requires large quantities of calcium carbonate. Therefore, a reliable supply of these building materials is crucial for the successful and timely realisation of these projects.
Cemix has many years of experience in supplying its products to large and small construction and engineering companies. Cemix can therefore guarantee reliability and flexibility in the supply of materials for all types of construction projects. The flexibility in delivery is the result of long-term partnerships with logistics partners. This enables us to organise the appropriate means of transport and deliver the goods to the unloading point on time and in the required quality.