CVH: our partner quarry for limestone fillers

For more than 25 years, the Carrières de la Vallée Heureuse has produced micronized limestone. Marketed by Carbocia, these fillers are used in many fields of activity.

Carrières de la Vallée Heureuse : a limestone deposit in the Pas-de-Calais

The Carrières de la Vallée Heureuse’s hard, compact limestone deposits have been worked since 1859 and extend over more than 200 hectares in the Bassin de Marquise area, half-way between Boulogne-sur-Mer and Calais.

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Limestone filler : a resource with multiple industrial applications

Thanks to the crushing, screening, separating and micronizing technologies developed by Carrières de la Vallée Heureuse, Carbocia is in a position to offer limestone fillers in size fractions of under 4mm for a wide range of industrial and agricultural uses: animal feed, carpet backing, grouts, special concretes and precast concrete, sealants, asphalt, bricks, plaster, amendments, ceramics, plastics, water treatment, gas treatment and soil remediation and more. Every year, no fewer than 400,000 tonnes of filler are dispatched from CVH’s micronization plant all over France, Belgium, the Netherlands and the United Kingdom.

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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.

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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