MasterSuna SBS – even sands containing fines and swelling clays can now be used for concrete production
How does MasterSuna SBS work?
MasterSuna SBS is a concrete admixture that facilitates the utilization of sand grades which were previously unsuitable for the production of everday concrete. Without this admixture, the use of critical sands can cause problems: Clay minerals and high contents of fines in crushed sand increase the water demand of the concrete as a result of their large surface area. In addition, the large inner surface area of the clay absorbs large quantities of conventional superplasticizers. As a result, even with high superplasticizer dosage, it is not possible to obtain stable, reliable concrete consistencies. To date, the use of such sands in concrete has been very limited.
What makes MasterSuna SBS unique?
With MasterSuna SBS in combination with other water-reducing admixtures such as MasterGlenium, it is now possible to produce everyday concrete with sands containing fines or swelling clays in accordance with EN 12620 and respective regulations. Local sand deposits and low-cost crushed sand can now be used. Costly washing or other pre-treatment of the local sand can be reduced. The transport of more suitable sand from other locations is no longer necessary. The result is a significant cost saving.
More value for your sand
MasterSuna SBS also offers benefits for sandpit owners. Critical sands which could previously only be used in low-value applications, if at all, can now be put to use in concrete production. As a result, existing sand deposits can be utilized to a greater extent and the value of the sandpit is increased. At the same time, fewer new sandpits need to be developed, which leads to a positive contribution to landscape and environmental protection.
The right partner for admixtures – the prerequisite for success
The MasterSuna SBS product family comes with the Master Builders Solutions technical support team. To solve our customers’ specific construction challenges, we combine the suitable elements of our portfolio, our know-how across areas of expertise and regions, and draw on the experience gained in countless construction projects worldwide. We leverage global technologies as well as our in-depth knowledge of local building needs, to develop innovations that help make our customers more successful and drive sustainable construction.
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MasterSuna SBS - Adding Value to Local Fine Aggregates Brochure
MasterSuna SBS 3024: Technical Data Sheet