British Standards Document
BS EN 934-3
Admixtures for concrete, mortar and grout. Admixtures for masonry mortar. Definitions, requirements, conformity and marking and labelling

https://doi.org/10.3403/30180273U

BS EN 934-3 is maintained by B/517/3. The current release of this standard is:

BS EN 934-3:2009+A1:2012 Admixtures for concrete, mortar and grout. Admixtures for masonry mortar. Definitions, requirements, conformity and marking and labelling

https://doi.org/10.3403/30180273 (published 30/11/2009)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN 934-3:2009 [current until 31/10/2012]
BS EN 934-3:2003 [current until 30/11/2009]