Certified limestone fillers

Each field of activity, from construction to concrete and animal feed has its requirements relating to quality and the chemical composition of mineral fillers which must be adhered to for the end products to be fully compliant with all requirements.

French and European product conformity and certifications

Carbocia and its partner quarry have certifications from multiple organizations,
demonstrating that their powder-based limestone products are safe to use:

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Relating to concrete. This certification confirms that our products are in compliance with Dutch national directive BRL 9312 ‘Waterbouwsteen’.

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Feed Chain Alliance – OVOCOM :

Relating to animal feed. This certification confirms that our products are traceable from the production stage through to delivery to the end customer.

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ISO (International standard): 9001 :

Quality management systems, 14001: environmental management systems and 18001: occupational health and safety management.


Materials of mineral origin that are authorized in annex V of the Commissioning Implementing Regulation (EU) n°505/2012 correcting regulation EC n°889/2008 which lays down rules governing their use for the production of organic animal feed.

charte environnement unicem logo

UNICEM environmental charter :

This voluntary initiative provides a benchmark of 80 good practices aimed at promoting an environmentally-friendly approach and biodiversity.

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A Belgian quality label relating to the consistency and stability of concrete products and compliance with current technical specifications.

CE 2 + logo

CE2+ :

An AFNOR certification relating to compliance with various European regulations applying to a range of materials depending on their end use.


Our products are natural granules which are exempt from the need to register under the REACH regulation because they are composed of “naturally-occurring substances” (Article 2.7b and annex V).

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NF :

Awarded by AFNOR, this certification confirms that the products in question are compliant with French,
European and international safety and quality standards.

calcaire micronise


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