BS EN 934-3:2003 Admixtures for concrete,mortar and grout - Part 3: Admixtures for masonry mortar - Definitions,requirements,conformity,marking and labelling
This Draft European Standard defines and specifies the requirements and conformity criteria for admixtures for use in cement based masonry mortar.
It covers two types of admixtures, long term retarding and air entraining/plasticising which are used in ready-mixed and site made masonry mortars.
Provisions for the use of admixtures for masonry mortar are not part of this standard but are covered by EN 998-2.
BS EN 934-3:2003 history
2009BS EN 934-3:2009+A1:2012 Admixtures for concrete, mortar and grout. Admixtures for masonry mortar. Definitions, requirements, conformity and marking and labelling
2009BS EN 934-3:2009 Admixtures for concrete, mortar and grout - Admixtures for masonry mortar - Definitions, requirements, conformity and marking and labelling
2004BS EN 934-3:2003 Admixtures for concrete,mortar and grout - Part 3: Admixtures for masonry mortar - Definitions,requirements,conformity,marking and labelling