NBN EN 413-2 : 2005

Committees responsible
National foreword
Foreword
0 Introduction
1 Scope
2 Normative references
3 General requirements for testing
3.1 Laboratory
3.2 Manufacturing tolerances for test equipment
3.3 Tolerances for test equipment in use
4 Preparation of standard mortar
4.1 Principle
4.2 Consistence of fresh mortar by plunger apparatus
     (reference method)
4.3 Consistence of fresh mortar by flow table
     (alternative method)
5 Water retention
5.1 Principle
5.2 Preparation
5.3 Apparatus
5.4 Procedure
6 Air content
6.1 General
6.2 Pressure method (reference method)
6.3 Alcohol method (alternative method)
7 Workability (cohesivity)
7.1 Principle
7.2 Apparatus
7.3 Calibration
7.4 Procedure
National annex
NA (informative) Comparison between EN 413-2 : 1994
     and BS 5224 : 1976

Explains reference and alternative test methods to be used when testing masonry cements to assess their conformity to EN 413-1. Gives the tests on fresh mortar for consistence, water retention and air content.