Your partner in high-quality international white dolomite
The reference in white dolomite for your markets
About
GAFSA Useful Substances Society (SSG)
SSG is a Tunisian limited liability company (SARL), specializing in the production and marketing of quarry products.
SSG operates in the field of exploitation of useful substances and mineral raw materials, intended for the industrial, agricultural and construction sectors.
SSG has a white dolomite quarry located in Moularès (Gafsa), recognized for the quality of its rock, its high whiteness and its significant MgO content, which can reach 22%.
Services
Extraction, processing and sale of white dolomite
SSG assure l’extraction, le traitement et la vente de dolomie blanche, sous différentes formes afin de répondre aux besoins spécifiques de ses clients.
Raw dolomite
🔹 DescriptionDolomite extracted directly from the quarry, without industrial processing.
🔹 Shape Blocks
All-purpose: 0/300 mm.
🔹 UsesPublic works
Embankment
Bank protection
Raw material for further processing
Crushed dolomite
🔹 Description:
Dolomite that has been mechanically crushed.
🔹 Common particle sizes:
0/31,5 mm
0/20 mm
20/40 mm
40/80 mm
🔹 Utilisations:
Roads and infrastructure
Concrete and civil engineering works
Foundation layer
Industrial developments
Calibrated (granulometric) dolomite
🔹 DescriptionCrushed dolomite then screened and calibrated to obtain a precise particle size.
🔹 Examples of particle size classes:
1/3 mm
2/5 mm
5/8 mm
8/16 mm
🔹 Uses:
Glassmaking
Steelmaking
Foundry
Filing
Chemical industry
Micronized dolomite (powder)
🔹 Description: Dolomite finely ground by micronization.
🔹 Common finesse:
< 200 µm
100 µm
45 µm
20 µm (voire plus fin)
🔹 Uses:
Peintures et revêtements
Plastiques et caoutchouc
Céramique
Agriculture (amendement calcique-magnésien)
Charges minérales industrielles
Packaging & sales methods
SSG assure l’extraction, le traitement et la vente de dolomie blanche, sous différentes formes afin de répondre aux besoins spécifiques de ses clients.
Bulk (trucks, boats)
Bulk delivery for large volumes, suitable for industrial projects and continuous supply contracts, by road or sea transport.
Big bags (1–1.5 tonnes)
Convenient packaging in big bags, facilitating handling, storage and transport, while guaranteeing the quality of the delivered product.
Bags (25 kg / 50 kg)
Packaging in bags for small and medium quantities, ideal for specific needs, technical trials or targeted distribution.
Long-term contracts
Tailor-made sourcing solutions for long-term partnerships and export markets, with a commitment to quality, volumes and deadlines.
Why choose us?
Your trusted partner
Selected and controlled dolomite
Our dolomite is sourced through rigorous selection. Each extraction phase is carefully controlled to guarantee a consistent mineral composition and quality, meeting the requirements of industrial applications.
Consistent quality per batch
We implement monitoring and control procedures to ensure batch consistency. This consistent quality is essential for our industrial clients, providing them with stability, reliability, and performance in their production processes.
Reliable supply
Thanks to our substantial geological reserves and carefully managed operations, we guarantee a regular and secure supply. We are committed to meeting deadlines, volume requirements, and service continuity, both for the local market and for export.
Submit a request
Contact us
Our team is available to meet your needs in supply, technical specifications and long-term partnerships.
Contact us for:
– a request for a quote
– technical information
– a lasting collaboration
We will respond as soon as possible.