BS 7979:2016

This standard BS 7979:2016 Specification for limestone fines for use with Portland cement is classified in these ICS categories:

• 91.100.10 Cement. Gypsum. Lime. Mortar

This British Standard specifies requirements for the production, chemical composition and mechanical and physical properties of limestone fines for use in combination with CEM I Portland cement strength class 42.5 or higher conforming to BS EN 197‑1 as a component of concrete, mortar or grout. It also specifies requirements for marking, provision of information, sampling and testing for acceptance at delivery, and conformity criteria for the manufacturer’s autocontrol system.

Guidance on the use of limestone fines is given in Annex A.