The consistent purity and quality of our micronized limestone, together with particle sizing that’s tailored to the needs of the construction sector ensure that these products are reliable and fully-compliant with all relevant regulations and standards.

Micronized limestone fillers for use as sealants

Our micronized limestone fillers boost adhesion performance and materials’ chemical compatibility to create a perfect seal. They are especially suited for use in bituminous mixtures.

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Product properties

  • Oil absorption
  • Particle size
  • Flowability

Carbocia – your supplier of limestone mineral additives for the chemicals industry!


Carbocia, the specialists in limestone fillers

In terms of particle size, uniformity and consistency, colour, flowability and chemical composition our micronized limestone fillers (ranging in size from a few microns to 4 mm) are perfectly suited to agricultural and industrial uses, meeting the specific standards and requirements of these sectors. We are able to operate on a continuous production basis and boast an integrated logistics infrastructure.

Contact us


We sell top-quality limestone fillers extracted from the Carrières de la Vallée Heureuse quarry in France’s Pas-de-Calais area. The intrinsic physical and chemical propertiesof our limestone and our micronization techniques are of major benefit to many industries. We shift our focus and adapt our products to keep pace with ongoing technological progress thanks to our partner CVH’s laboratory.

Our products

Our limestone has a content of over 96% CaCO3. This extremely high level allows us to meet the specifications of the industrial and agricultural sectors. The particle size of our fillers meets all relevant product requirements and complies with all standards and regulations currently in force. 

Animal Feed Find out more
Grouts & plasters Find out more
Fertilizers & agriculture Find out more
Carpet backing & rubber Find out more
Precast concrete/concrete Find out more
Asphalt Find out more
Sealants/roofing Find out more

Carbocia in pictures