PRODUCTS AND SERVICES
Dunite products | Additive for concrete and cements
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Dunite products
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Refractory products
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Refractory services
Additive for concrete and cements
Our 0/3 mm dunite fraction is a natural aggregate sourced from our quarry in Galicia. Thanks to its mineralogical composition and excellent technical properties, it is particularly suitable for use in concrete, mortar, granular layers, cement-treated gravel, and fills, complying with the most demanding regulatory requirements in the sector.

Advanced mineral solutions for construction
- Structural and non-structural concrete
– Compliant with EN 12620 and the current Structural Code for use in structural concrete and pavements.
– Provides durability, strength, and consistency in the mix. - Masonry and rendering mortars
– In accordance with EN 13139, 0/3 mm dunite is suitable for mortars, offering good workability and final strength. - Granular layers and cement-treated gravel
– Compliant with EN 13242 and the specifications of the General Technical Specifications for Road and Bridge Works (PG-3).
– Ideal for artificial sub-base and cement-treated aggregates in road pavements. - Backfills and embankments
– Suitable as a selected soil material for fills and embankments, thanks to its controlled grading and low plasticity.
Sustainability, quality, and regulatory compliance
Sustainability: utilisation of a local natural resource contributing to waste reduction, and lowered carbon footprint.
Quality and consistency: material subject to strict quality controls, ensuring homogeneity in every supply.
Regulatory compliance: meets major European and national standards for construction aggregates.
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