Wednesday, 07 October 2026
13:00 UTC
ON DEMAND - EN 18136 establishes a new framework for qualifying and specifying ground limestone in concrete, mortar, and grout. But what do these new requirements mean for material selection, formulation development and product performance in practice?
Ground limestone is widely used in cementitious systems, yet its performance can vary significantly depending on its purity, particle size distribution, mineralogy, morphology and processing route. These differences can have a direct impact on rheology, water demand, workability, strength development and admixture efficiency.
This webinar explores the practical implications of EN 18136 – Ground Limestone for Use in Concrete, Mortar and Grout, highlighting the key requirements of the standard and explain how the standard can be used to support material qualification, specification, and formulation optimisation. Participants gain insight into the critical limestone characteristics that influence cementitious system performance and why proper material characterisation is essential for reliable and consistent results.
Drawing on Omya's expertise in calcium carbonate, advanced analytical characterisation, and application-oriented formulation support, the webinar demonstrates how a deeper understanding of limestone properties can help producers improve material selection, formulation consistency, and cost-performance balance while supporting the development of next-generation sustainable cementitious systems.
Pascal Gonnon - Senior Expert Technical Services Material Science Cementitious Materials, Omya
Omya
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